/ Usenet 1993 July / InfoMagic USENET CD-ROM July 1993.ISO / sources / std_unix / mod.std.unix.v6

< prev

next >

MacOS 8.1

Win98

DOS

browse contents

view JSON data

view as text

+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 6a 73 71 | 20 20 4d 6f 6e 20 4d 61 |From jsq|  Mon Ma|
|00000010| 72 20 32 34 20 31 35 3a | 32 32 3a 34 33 20 31 39 |r 24 15:|22:43 19|
|00000020| 38 36 0a 46 72 6f 6d 3a | 20 73 74 64 2d 75 6e 69 |86.From:| std-uni|
|00000030| 78 25 75 74 2d 73 61 6c | 6c 79 2e 55 55 43 50 40 |x%ut-sal|ly.UUCP@|
|00000040| 53 41 4c 4c 59 2e 55 54 | 45 58 41 53 2e 45 44 55 |SALLY.UT|EXAS.EDU|
|00000050| 20 28 4d 6f 64 65 72 61 | 74 6f 72 2c 20 4a 6f 68 | (Modera|tor, Joh|
|00000060| 6e 20 51 75 61 72 74 65 | 72 6d 61 6e 29 0a 4e 65 |n Quarte|rman).Ne|
|00000070| 77 73 67 72 6f 75 70 73 | 3a 20 6d 6f 64 2e 73 74 |wsgroups|: mod.st|
|00000080| 64 2e 75 6e 69 78 0a 53 | 75 62 6a 65 63 74 3a 20 |d.unix.S|ubject: |
|00000090| 6d 6f 64 2e 73 74 64 2e | 75 6e 69 78 20 56 6f 6c |mod.std.|unix Vol|
|000000a0| 75 6d 65 20 36 0a 4d 65 | 73 73 61 67 65 2d 49 64 |ume 6.Me|ssage-Id|
|000000b0| 3a 20 3c 34 35 31 37 40 | 75 74 2d 73 61 6c 6c 79 |: <4517@|ut-sally|
|000000c0| 2e 55 55 43 50 3e 0a 4f | 72 67 61 6e 69 7a 61 74 |.UUCP>.O|rganizat|
|000000d0| 69 6f 6e 3a 20 49 45 45 | 45 2f 50 31 30 30 33 20 |ion: IEE|E/P1003 |
|000000e0| 50 6f 72 74 61 62 6c 65 | 20 4f 70 65 72 61 74 69 |Portable| Operati|
|000000f0| 6e 67 20 53 79 73 74 65 | 6d 20 45 6e 76 69 72 6f |ng Syste|m Enviro|
|00000100| 6e 6d 65 6e 74 20 43 6f | 6d 6d 69 74 74 65 65 0a |nment Co|mmittee.|
|00000110| 44 61 74 65 3a 20 32 34 | 20 4d 61 72 20 38 36 20 |Date: 24| Mar 86 |
|00000120| 32 31 3a 32 32 3a 33 31 | 20 47 4d 54 0a 44 72 61 |21:22:31| GMT.Dra|
|00000130| 66 74 2d 39 3a 20 6d 6f | 64 2e 73 74 64 2e 75 6e |ft-9: mo|d.std.un|
|00000140| 69 78 0a 0a 54 68 69 73 | 20 69 73 20 74 68 65 20 |ix..This| is the |
|00000150| 66 69 72 73 74 20 61 72 | 74 69 63 6c 65 20 69 6e |first ar|ticle in|
|00000160| 20 56 6f 6c 75 6d 65 20 | 36 20 6f 66 20 6d 6f 64 | Volume |6 of mod|
|00000170| 2e 73 74 64 2e 75 6e 69 | 78 2f 73 74 64 2d 75 6e |.std.uni|x/std-un|
|00000180| 69 78 2e 0a 54 68 65 73 | 65 20 76 6f 6c 75 6d 65 |ix..Thes|e volume|
|00000190| 73 20 61 72 65 20 73 74 | 72 69 63 74 6c 79 20 66 |s are st|rictly f|
|000001a0| 6f 72 20 61 64 6d 69 6e | 69 73 74 72 61 74 69 76 |or admin|istrativ|
|000001b0| 65 20 63 6f 6e 76 65 6e | 69 65 6e 63 65 2e 0a 50 |e conven|ience..P|
|000001c0| 61 70 65 72 20 63 6f 70 | 69 65 73 20 6f 66 20 74 |aper cop|ies of t|
|000001d0| 68 65 6d 20 67 65 74 20 | 64 65 6c 69 76 65 72 65 |hem get |delivere|
|000001e0| 64 20 74 6f 20 74 68 65 | 20 50 31 30 30 33 20 63 |d to the| P1003 c|
|000001f0| 6f 6d 6d 69 74 74 65 65 | 20 63 68 61 69 72 0a 66 |ommittee| chair.f|
|00000200| 72 6f 6d 20 74 69 6d 65 | 20 74 6f 20 74 69 6d 65 |rom time| to time|
|00000210| 20 61 6e 64 20 73 65 76 | 65 72 61 6c 20 6d 65 6d | and sev|eral mem|
|00000220| 62 65 72 73 20 6f 66 20 | 74 68 65 20 63 6f 6d 6d |bers of |the comm|
|00000230| 69 74 74 65 65 20 66 6f | 6c 6c 6f 77 0a 74 68 65 |ittee fo|llow.the|
|00000240| 20 6e 65 77 73 67 72 6f | 75 70 20 6f 6e 2d 6c 69 | newsgro|up on-li|
|00000250| 6e 65 2e 0a 0a 46 65 65 | 6c 20 66 72 65 65 20 74 |ne...Fee|l free t|
|00000260| 6f 20 63 6f 6e 74 69 6e | 75 65 20 61 6e 79 20 64 |o contin|ue any d|
|00000270| 69 73 63 75 73 73 69 6f | 6e 73 20 66 72 6f 6d 20 |iscussio|ns from |
|00000280| 74 68 65 20 70 72 65 76 | 69 6f 75 73 20 76 6f 6c |the prev|ious vol|
|00000290| 75 6d 65 0a 6f 72 20 74 | 6f 20 73 74 61 72 74 20 |ume.or t|o start |
|000002a0| 6e 65 77 20 64 69 73 63 | 75 73 73 69 6f 6e 73 2e |new disc|ussions.|
|000002b0| 0a 0a 0a 54 68 65 20 55 | 53 45 4e 45 54 20 6e 65 |...The U|SENET ne|
|000002c0| 77 73 67 72 6f 75 70 20 | 6d 6f 64 2e 73 74 64 2e |wsgroup |mod.std.|
|000002d0| 75 6e 69 78 20 69 73 20 | 66 6f 72 20 64 69 73 63 |unix is |for disc|
|000002e0| 75 73 73 69 6f 6e 73 20 | 6f 66 20 55 4e 49 58 20 |ussions |of UNIX |
|000002f0| 73 74 61 6e 64 61 72 64 | 73 2c 0a 70 61 72 74 69 |standard|s,.parti|
|00000300| 63 75 6c 61 72 6c 79 20 | 74 68 65 20 49 45 45 45 |cularly |the IEEE|
|00000310| 20 50 31 30 30 33 20 64 | 72 61 66 74 20 73 74 61 | P1003 d|raft sta|
|00000320| 6e 64 61 72 64 2e 20 20 | 49 74 20 69 73 20 61 6c |ndard.  |It is al|
|00000330| 73 6f 20 64 69 73 74 72 | 69 62 75 74 65 64 0a 69 |so distr|ibuted.i|
|00000340| 6e 20 61 6e 20 41 52 50 | 41 20 49 6e 74 65 72 6e |n an ARP|A Intern|
|00000350| 65 74 20 6d 61 69 6c 69 | 6e 67 20 6c 69 73 74 2e |et maili|ng list.|
|00000360| 20 20 49 27 6d 20 74 68 | 65 20 6d 6f 64 65 72 61 |  I'm th|e modera|
|00000370| 74 6f 72 2c 20 77 68 69 | 63 68 20 6d 6f 73 74 6c |tor, whi|ch mostl|
|00000380| 79 0a 6d 65 61 6e 73 20 | 49 20 70 6f 73 74 20 77 |y.means |I post w|
|00000390| 68 61 74 20 79 6f 75 20 | 73 65 6e 64 20 6d 65 2e |hat you |send me.|
|000003a0| 20 20 49 27 6d 20 61 6c | 73 6f 20 74 68 65 20 69 |  I'm al|so the i|
|000003b0| 6e 73 74 69 74 75 74 69 | 6f 6e 61 6c 20 72 65 70 |nstituti|onal rep|
|000003c0| 72 65 73 65 6e 74 61 74 | 69 76 65 0a 6f 66 20 74 |resentat|ive.of t|
|000003d0| 68 65 20 55 53 45 4e 49 | 58 20 41 73 73 6f 63 69 |he USENI|X Associ|
|000003e0| 61 74 69 6f 6e 20 74 6f | 20 50 31 30 30 33 2e 0a |ation to| P1003..|
|000003f0| 0a 53 75 62 6d 69 73 73 | 69 6f 6e 73 2d 54 6f 3a |.Submiss|ions-To:|
|00000400| 09 75 74 2d 73 61 6c 6c | 79 21 73 74 64 2d 75 6e |.ut-sall|y!std-un|
|00000410| 69 78 09 6f 72 20 73 74 | 64 2d 75 6e 69 78 40 73 |ix.or st|d-unix@s|
|00000420| 61 6c 6c 79 2e 55 54 45 | 58 41 53 2e 45 44 55 0a |ally.UTE|XAS.EDU.|
|00000430| 43 6f 6d 6d 65 6e 74 73 | 2d 54 6f 3a 20 75 74 2d |Comments|-To: ut-|
|00000440| 73 61 6c 6c 79 21 73 74 | 64 2d 75 6e 69 78 2d 72 |sally!st|d-unix-r|
|00000450| 65 71 75 65 73 74 09 6f | 72 20 73 74 64 2d 75 6e |equest.o|r std-un|
|00000460| 69 78 2d 72 65 71 75 65 | 73 74 40 73 61 6c 6c 79 |ix-reque|st@sally|
|00000470| 2e 55 54 45 58 41 53 2e | 45 44 55 0a 55 55 43 50 |.UTEXAS.|EDU.UUCP|
|00000480| 2d 52 6f 75 74 65 73 3a | 20 7b 67 61 74 65 63 68 |-Routes:| {gatech|
|00000490| 2c 68 61 72 76 61 72 64 | 2c 69 68 6e 70 34 2c 73 |,harvard|,ihnp4,s|
|000004a0| 65 69 73 6d 6f 2c 70 79 | 72 61 6d 69 64 2c 73 65 |eismo,py|ramid,se|
|000004b0| 71 75 65 6e 74 7d 21 75 | 74 2d 73 61 6c 6c 79 21 |quent}!u|t-sally!|
|000004c0| 73 74 64 2d 75 6e 69 78 | 0a 0a 50 65 72 6d 69 73 |std-unix|..Permis|
|000004d0| 73 69 6f 6e 20 74 6f 20 | 70 6f 73 74 20 74 6f 20 |sion to |post to |
|000004e0| 74 68 65 20 6e 65 77 73 | 67 72 6f 75 70 20 69 73 |the news|group is|
|000004f0| 20 61 73 73 75 6d 65 64 | 20 66 6f 72 20 6d 61 69 | assumed| for mai|
|00000500| 6c 20 74 6f 20 73 74 64 | 2d 75 6e 69 78 2e 0a 50 |l to std|-unix..P|
|00000510| 65 72 6d 69 73 73 69 6f | 6e 20 74 6f 20 70 6f 73 |ermissio|n to pos|
|00000520| 74 20 69 73 20 6e 6f 74 | 20 61 73 73 75 6d 65 64 |t is not| assumed|
|00000530| 20 66 6f 72 20 6d 61 69 | 6c 20 74 6f 20 73 74 64 | for mai|l to std|
|00000540| 2d 75 6e 69 78 2d 72 65 | 71 75 65 73 74 2c 0a 75 |-unix-re|quest,.u|
|00000550| 6e 6c 65 73 73 20 65 78 | 70 6c 69 63 69 74 6c 79 |nless ex|plicitly|
|00000560| 20 67 72 61 6e 74 65 64 | 20 69 6e 20 74 68 65 20 | granted| in the |
|00000570| 6d 61 69 6c 2e 20 20 4d | 61 69 6c 20 74 6f 20 6d |mail.  M|ail to m|
|00000580| 79 20 70 65 72 73 6f 6e | 61 6c 20 61 64 64 72 65 |y person|al addre|
|00000590| 73 73 65 73 0a 77 69 6c | 6c 20 62 65 20 74 72 65 |sses.wil|l be tre|
|000005a0| 61 74 65 64 20 6c 69 6b | 65 20 6d 61 69 6c 20 74 |ated lik|e mail t|
|000005b0| 6f 20 73 74 64 2d 75 6e | 69 78 2d 72 65 71 75 65 |o std-un|ix-reque|
|000005c0| 73 74 20 69 66 20 69 74 | 20 6f 62 76 69 6f 75 73 |st if it| obvious|
|000005d0| 6c 79 20 72 65 66 65 72 | 73 0a 74 6f 20 74 68 65 |ly refer|s.to the|
|000005e0| 20 6e 65 77 73 67 72 6f | 75 70 2e 0a 0a 41 72 63 | newsgro|up...Arc|
|000005f0| 68 69 76 65 73 20 6d 61 | 79 20 62 65 20 66 6f 75 |hives ma|y be fou|
|00000600| 6e 64 20 6f 6e 20 73 61 | 6c 6c 79 2e 55 54 45 58 |nd on sa|lly.UTEX|
|00000610| 41 53 2e 45 44 55 2e 20 | 20 54 68 65 20 63 75 72 |AS.EDU. | The cur|
|00000620| 72 65 6e 74 20 76 6f 6c | 75 6d 65 20 6d 61 79 0a |rent vol|ume may.|
|00000630| 62 65 20 72 65 74 72 65 | 69 76 65 64 20 62 79 20 |be retre|ived by |
|00000640| 61 6e 6f 6e 79 6d 6f 75 | 73 20 66 74 70 20 28 6c |anonymou|s ftp (l|
|00000650| 6f 67 69 6e 20 61 6e 6f | 6e 79 6d 6f 75 73 2c 20 |ogin ano|nymous, |
|00000660| 70 61 73 73 77 6f 72 64 | 20 67 75 65 73 74 29 0a |password| guest).|
|00000670| 61 73 20 7e 66 74 70 2f | 70 75 62 2f 6d 6f 64 2e |as ~ftp/|pub/mod.|
|00000680| 73 74 64 2e 75 6e 69 78 | 2c 20 77 68 69 6c 65 20 |std.unix|, while |
|00000690| 74 68 65 20 70 72 65 76 | 69 6f 75 73 20 76 6f 6c |the prev|ious vol|
|000006a0| 75 6d 65 73 20 6d 61 79 | 20 62 65 20 72 65 74 72 |umes may| be retr|
|000006b0| 69 65 76 65 64 0a 61 73 | 20 7e 66 74 70 2f 70 75 |ieved.as| ~ftp/pu|
|000006c0| 62 2f 6d 6f 64 2e 73 74 | 64 2e 75 6e 69 78 2e 76 |b/mod.st|d.unix.v|
|000006d0| 31 2c 20 7e 66 74 70 2f | 70 75 62 2f 6d 6f 64 2e |1, ~ftp/|pub/mod.|
|000006e0| 73 74 64 2e 75 6e 69 78 | 2e 76 32 2c 20 65 74 63 |std.unix|.v2, etc|
|000006f0| 2e 2c 20 74 68 72 6f 75 | 67 68 20 35 2e 0a 54 68 |., throu|gh 5..Th|
|00000700| 65 20 76 6f 6c 75 6d 65 | 20 77 69 74 68 20 74 68 |e volume| with th|
|00000710| 65 20 41 54 26 54 20 70 | 75 62 6c 69 63 20 64 6f |e AT&T p|ublic do|
|00000720| 6d 61 69 6e 20 67 65 74 | 6f 70 74 28 33 29 20 69 |main get|opt(3) i|
|00000730| 73 20 7e 66 74 70 2f 70 | 75 62 2f 6d 6f 64 2e 73 |s ~ftp/p|ub/mod.s|
|00000740| 74 64 2e 75 6e 69 78 2e | 76 33 2e 0a 0a 46 69 6e |td.unix.|v3...Fin|
|00000750| 61 6c 6c 79 2c 20 72 65 | 6d 65 6d 62 65 72 20 74 |ally, re|member t|
|00000760| 68 61 74 20 61 6e 79 20 | 72 65 6d 61 72 6b 73 20 |hat any |remarks |
|00000770| 62 79 20 61 6e 79 20 63 | 6f 6d 6d 69 74 74 65 65 |by any c|ommittee|
|00000780| 20 6d 65 6d 62 65 72 20 | 28 65 73 70 65 63 69 61 | member |(especia|
|00000790| 6c 6c 79 0a 69 6e 63 6c | 75 64 69 6e 67 20 6d 65 |lly.incl|uding me|
|000007a0| 29 20 69 6e 20 74 68 69 | 73 20 6e 65 77 73 67 72 |) in thi|s newsgr|
|000007b0| 6f 75 70 20 64 6f 20 6e | 6f 74 20 72 65 70 72 65 |oup do n|ot repre|
|000007c0| 73 65 6e 74 20 61 6e 79 | 20 70 6f 73 69 74 69 6f |sent any| positio|
|000007d0| 6e 20 28 69 6e 63 6c 75 | 64 69 6e 67 0a 61 6e 79 |n (inclu|ding.any|
|000007e0| 20 64 72 61 66 74 2c 20 | 70 72 6f 70 6f 73 65 64 | draft, |proposed|
|000007f0| 20 6f 72 20 61 63 74 75 | 61 6c 2c 20 6f 66 20 74 | or actu|al, of t|
|00000800| 68 65 20 73 74 61 6e 64 | 61 72 64 29 20 6f 66 20 |he stand|ard) of |
|00000810| 74 68 65 20 63 6f 6d 6d | 69 74 74 65 65 20 61 73 |the comm|ittee as|
|00000820| 20 61 0a 77 68 6f 6c 65 | 2c 20 75 6e 6c 65 73 73 | a.whole|, unless|
|00000830| 20 65 78 70 6c 69 63 69 | 74 6c 79 20 73 74 61 74 | explici|tly stat|
|00000840| 65 64 20 6f 74 68 65 72 | 77 69 73 65 20 69 6e 20 |ed other|wise in |
|00000850| 73 75 63 68 20 72 65 6d | 61 72 6b 73 2e 0a 0a 56 |such rem|arks...V|
|00000860| 6f 6c 75 6d 65 2d 4e 75 | 6d 62 65 72 3a 20 56 6f |olume-Nu|mber: Vo|
|00000870| 6c 75 6d 65 20 36 2c 20 | 4e 75 6d 62 65 72 20 31 |lume 6, |Number 1|
|00000880| 0a 0a 46 72 6f 6d 20 6a | 73 71 20 20 4d 6f 6e 20 |..From j|sq  Mon |
|00000890| 4d 61 72 20 32 34 20 31 | 35 3a 33 39 3a 35 39 20 |Mar 24 1|5:39:59 |
|000008a0| 31 39 38 36 0a 46 72 6f | 6d 3a 20 73 74 64 2d 75 |1986.Fro|m: std-u|
|000008b0| 6e 69 78 25 75 74 2d 73 | 61 6c 6c 79 2e 55 55 43 |nix%ut-s|ally.UUC|
|000008c0| 50 40 53 41 4c 4c 59 2e | 55 54 45 58 41 53 2e 45 |P@SALLY.|UTEXAS.E|
|000008d0| 44 55 20 28 4d 6f 64 65 | 72 61 74 6f 72 2c 20 4a |DU (Mode|rator, J|
|000008e0| 6f 68 6e 20 51 75 61 72 | 74 65 72 6d 61 6e 29 0a |ohn Quar|terman).|
|000008f0| 4e 65 77 73 67 72 6f 75 | 70 73 3a 20 6d 6f 64 2e |Newsgrou|ps: mod.|
|00000900| 73 74 64 2e 75 6e 69 78 | 0a 53 75 62 6a 65 63 74 |std.unix|.Subject|
|00000910| 3a 20 6d 6f 64 2e 73 74 | 64 2e 75 6e 69 78 20 61 |: mod.st|d.unix a|
|00000920| 6e 64 20 50 31 30 30 33 | 0a 4d 65 73 73 61 67 65 |nd P1003|.Message|
|00000930| 2d 49 64 3a 20 3c 34 35 | 31 38 40 75 74 2d 73 61 |-Id: <45|18@ut-sa|
|00000940| 6c 6c 79 2e 55 55 43 50 | 3e 0a 4f 72 67 61 6e 69 |lly.UUCP|>.Organi|
|00000950| 7a 61 74 69 6f 6e 3a 20 | 49 45 45 45 2f 50 31 30 |zation: |IEEE/P10|
|00000960| 30 33 20 50 6f 72 74 61 | 62 6c 65 20 4f 70 65 72 |03 Porta|ble Oper|
|00000970| 61 74 69 6e 67 20 53 79 | 73 74 65 6d 20 45 6e 76 |ating Sy|stem Env|
|00000980| 69 72 6f 6e 6d 65 6e 74 | 20 43 6f 6d 6d 69 74 74 |ironment| Committ|
|00000990| 65 65 0a 44 61 74 65 3a | 20 32 34 20 4d 61 72 20 |ee.Date:| 24 Mar |
|000009a0| 38 36 20 32 31 3a 33 39 | 3a 34 32 20 47 4d 54 0a |86 21:39|:42 GMT.|
|000009b0| 44 72 61 66 74 2d 39 3a | 20 6d 6f 64 2e 73 74 64 |Draft-9:| mod.std|
|000009c0| 2e 75 6e 69 78 0a 0a 54 | 68 69 73 20 61 72 74 69 |.unix..T|his arti|
|000009d0| 63 6c 65 20 69 73 20 61 | 20 73 6c 69 67 68 74 6c |cle is a| slightl|
|000009e0| 79 20 61 64 61 70 74 65 | 64 20 63 6f 70 79 20 6f |y adapte|d copy o|
|000009f0| 66 20 61 6e 20 65 61 72 | 6c 69 65 72 20 6f 6e 65 |f an ear|lier one|
|00000a00| 2e 0a 0a 54 68 65 72 65 | 20 73 65 65 6d 73 20 74 |...There| seems t|
|00000a10| 6f 20 62 65 20 77 69 64 | 65 73 70 72 65 61 64 20 |o be wid|espread |
|00000a20| 63 6f 6e 66 75 73 69 6f | 6e 20 61 73 20 74 6f 20 |confusio|n as to |
|00000a30| 74 68 65 20 72 65 6c 61 | 74 69 6f 6e 20 6f 66 20 |the rela|tion of |
|00000a40| 74 68 65 0a 6e 65 77 73 | 67 72 6f 75 70 20 6d 6f |the.news|group mo|
|00000a50| 64 2e 73 74 64 2e 75 6e | 69 78 20 28 61 6b 61 20 |d.std.un|ix (aka |
|00000a60| 74 68 65 20 6d 61 69 6c | 69 6e 67 20 6c 69 73 74 |the mail|ing list|
|00000a70| 20 53 54 44 2d 55 4e 49 | 58 29 20 61 6e 64 20 74 | STD-UNI|X) and t|
|00000a80| 68 65 0a 49 45 45 45 20 | 50 31 30 30 33 20 73 74 |he.IEEE |P1003 st|
|00000a90| 61 6e 64 61 72 64 73 20 | 63 6f 6d 6d 69 74 74 65 |andards |committe|
|00000aa0| 65 2e 20 20 41 6c 6c 6f | 77 20 6d 65 20 74 6f 20 |e.  Allo|w me to |
|00000ab0| 74 72 79 20 74 6f 20 63 | 6c 65 61 72 20 73 6f 6d |try to c|lear som|
|00000ac0| 65 20 6f 66 20 69 74 20 | 75 70 2e 0a 0a 0a 42 65 |e of it |up....Be|
|00000ad0| 63 61 75 73 65 20 73 6f | 6d 65 74 68 69 6e 67 20 |cause so|mething |
|00000ae0| 69 73 20 64 69 73 63 75 | 73 73 65 64 20 69 6e 20 |is discu|ssed in |
|00000af0| 6d 6f 64 2e 73 74 64 2e | 75 6e 69 78 20 64 6f 65 |mod.std.|unix doe|
|00000b00| 73 20 6e 6f 74 20 6d 65 | 61 6e 20 74 68 61 74 0a |s not me|an that.|
|00000b10| 69 74 20 69 73 20 61 75 | 74 6f 6d 61 74 69 63 61 |it is au|tomatica|
|00000b20| 6c 6c 79 20 70 72 6f 70 | 6f 73 65 64 20 74 6f 20 |lly prop|osed to |
|00000b30| 50 31 30 30 33 20 66 6f | 72 20 69 6e 63 6c 75 73 |P1003 fo|r inclus|
|00000b40| 69 6f 6e 20 69 6e 20 74 | 68 65 20 73 74 61 6e 64 |ion in t|he stand|
|00000b50| 61 72 64 2e 0a 50 72 6f | 70 6f 73 61 6c 73 20 74 |ard..Pro|posals t|
|00000b60| 6f 20 74 68 65 20 63 6f | 6d 6d 69 74 74 65 65 20 |o the co|mmittee |
|00000b70| 68 61 76 65 20 74 6f 20 | 62 65 20 6d 6f 72 65 20 |have to |be more |
|00000b80| 66 6f 72 6d 61 6c 2e 20 | 20 45 73 70 65 63 69 61 |formal. | Especia|
|00000b90| 6c 6c 79 20 74 68 65 79 | 0a 68 61 76 65 20 74 6f |lly they|.have to|
|00000ba0| 20 69 6e 63 6c 75 64 65 | 20 73 70 65 63 69 66 69 | include| specifi|
|00000bb0| 63 20 70 72 6f 70 6f 73 | 65 64 20 77 6f 72 64 69 |c propos|ed wordi|
|00000bc0| 6e 67 2e 0a 0a 41 73 20 | 69 74 20 68 61 70 70 65 |ng...As |it happe|
|00000bd0| 6e 73 2c 20 74 68 65 20 | 6d 6f 64 65 72 61 74 6f |ns, the |moderato|
|00000be0| 72 20 6f 66 20 74 68 65 | 20 6e 65 77 73 67 72 6f |r of the| newsgro|
|00000bf0| 75 70 20 69 73 20 61 6c | 73 6f 20 74 68 65 20 55 |up is al|so the U|
|00000c00| 53 45 4e 49 58 0a 72 65 | 70 72 65 73 65 6e 74 61 |SENIX.re|presenta|
|00000c10| 74 69 76 65 20 74 6f 20 | 74 68 65 20 63 6f 6d 6d |tive to |the comm|
|00000c20| 69 74 74 65 65 2e 20 20 | 41 73 20 73 75 63 68 2c |ittee.  |As such,|
|00000c30| 20 49 20 61 6d 20 77 69 | 6c 6c 69 6e 67 20 74 6f | I am wi|lling to|
|00000c40| 20 70 72 65 73 65 6e 74 | 0a 70 72 6f 70 6f 73 61 | present|.proposa|
|00000c50| 6c 73 20 74 6f 20 74 68 | 65 20 63 6f 6d 6d 69 74 |ls to th|e commit|
|00000c60| 74 65 65 20 69 66 20 73 | 6f 6d 65 6f 6e 65 20 61 |tee if s|omeone a|
|00000c70| 63 74 75 61 6c 6c 79 20 | 68 61 73 20 73 6f 6d 65 |ctually |has some|
|00000c80| 20 74 6f 20 70 72 65 73 | 65 6e 74 2e 0a 48 6f 77 | to pres|ent..How|
|00000c90| 65 76 65 72 2c 20 74 68 | 65 20 70 72 6f 70 6f 73 |ever, th|e propos|
|00000ca0| 65 72 20 68 61 73 20 74 | 6f 20 73 70 65 63 69 66 |er has t|o specif|
|00000cb0| 69 63 61 6c 6c 79 20 72 | 65 71 75 65 73 74 20 74 |ically r|equest t|
|00000cc0| 68 61 74 20 66 6f 72 20 | 61 20 73 70 65 63 69 66 |hat for |a specif|
|00000cd0| 69 63 0a 70 72 6f 70 6f | 73 61 6c 20 61 6e 64 20 |ic.propo|sal and |
|00000ce0| 49 20 68 61 76 65 20 74 | 6f 20 61 67 72 65 65 20 |I have t|o agree |
|00000cf0| 74 6f 20 69 74 20 62 65 | 66 6f 72 65 20 69 74 20 |to it be|fore it |
|00000d00| 77 69 6c 6c 20 68 61 70 | 70 65 6e 2e 0a 0a 49 74 |will hap|pen...It|
|00000d10| 20 69 73 20 74 72 75 65 | 20 74 68 61 74 20 73 65 | is true| that se|
|00000d20| 76 65 72 61 6c 20 63 6f | 6d 6d 69 74 74 65 65 20 |veral co|mmittee |
|00000d30| 6d 65 6d 62 65 72 73 20 | 66 6f 6c 6c 6f 77 20 74 |members |follow t|
|00000d40| 68 65 20 6e 65 77 73 67 | 72 6f 75 70 20 61 6e 64 |he newsg|roup and|
|00000d50| 0a 74 68 61 74 20 49 20 | 6d 61 6b 65 20 73 75 72 |.that I |make sur|
|00000d60| 65 20 74 68 61 74 20 63 | 6f 70 69 65 73 20 6f 66 |e that c|opies of|
|00000d70| 20 61 72 74 69 63 6c 65 | 73 20 66 72 6f 6d 20 74 | article|s from t|
|00000d80| 68 65 20 6e 65 77 73 67 | 72 6f 75 70 20 67 6f 20 |he newsg|roup go |
|00000d90| 74 6f 0a 61 70 70 72 6f | 70 72 69 61 74 65 20 74 |to.appro|priate t|
|00000da0| 65 63 68 6e 69 63 61 6c | 20 72 65 76 69 65 77 65 |echnical| reviewe|
|00000db0| 72 73 20 6f 72 20 61 72 | 65 20 6d 65 6e 74 69 6f |rs or ar|e mentio|
|00000dc0| 6e 65 64 20 74 6f 20 74 | 68 65 20 63 6f 6d 6d 69 |ned to t|he commi|
|00000dd0| 74 74 65 65 0a 61 73 20 | 61 20 77 68 6f 6c 65 2e |ttee.as |a whole.|
|00000de0| 20 20 48 6f 77 65 76 65 | 72 2c 20 74 68 65 79 20 |  Howeve|r, they |
|00000df0| 61 72 65 20 6e 6f 74 20 | 70 72 65 73 65 6e 74 65 |are not |presente|
|00000e00| 64 20 61 73 20 70 72 6f | 70 6f 73 61 6c 73 3a 20 |d as pro|posals: |
|00000e10| 20 74 68 65 79 0a 61 72 | 65 20 70 72 65 73 65 6e | they.ar|e presen|
|00000e20| 74 65 64 20 61 73 20 63 | 6f 6d 6d 65 6e 74 73 2e |ted as c|omments.|
|00000e30| 20 20 54 68 65 79 20 6d | 61 79 20 68 65 6c 70 20 |  They m|ay help |
|00000e40| 63 6f 6d 6d 69 74 74 65 | 65 20 6d 65 6d 62 65 72 |committe|e member|
|00000e50| 73 20 75 6e 64 65 72 73 | 74 61 6e 64 0a 74 68 65 |s unders|tand.the|
|00000e60| 20 63 6f 6e 74 65 78 74 | 20 6f 66 20 61 20 74 6f | context| of a to|
|00000e70| 70 69 63 20 77 68 69 63 | 68 20 69 73 20 74 72 65 |pic whic|h is tre|
|00000e80| 61 74 65 64 20 69 6e 20 | 74 68 65 20 73 74 61 6e |ated in |the stan|
|00000e90| 64 61 72 64 73 20 64 6f | 63 75 6d 65 6e 74 2c 0a |dards do|cument,.|
|00000ea0| 62 75 74 20 74 68 65 79 | 20 61 72 65 20 75 6e 6c |but they| are unl|
|00000eb0| 69 6b 65 6c 79 20 74 6f | 20 63 61 75 73 65 20 6e |ikely to| cause n|
|00000ec0| 65 77 20 74 6f 70 69 63 | 73 20 74 6f 20 62 65 20 |ew topic|s to be |
|00000ed0| 61 64 64 65 64 20 74 6f | 20 74 68 65 20 64 6f 63 |added to| the doc|
|00000ee0| 75 6d 65 6e 74 2e 0a 0a | 54 68 69 73 20 69 73 20 |ument...|This is |
|00000ef0| 6e 6f 74 20 74 6f 20 73 | 61 79 20 74 68 61 74 20 |not to s|ay that |
|00000f00| 69 6e 70 75 74 20 66 72 | 6f 6d 20 74 68 65 20 6e |input fr|om the n|
|00000f10| 65 77 73 67 72 6f 75 70 | 20 69 73 20 6e 6f 74 20 |ewsgroup| is not |
|00000f20| 75 73 65 66 75 6c 0a 74 | 6f 20 74 68 65 20 63 6f |useful.t|o the co|
|00000f30| 6d 6d 69 74 74 65 65 2e | 20 20 41 20 6e 75 6d 62 |mmittee.|  A numb|
|00000f40| 65 72 20 6f 66 20 70 72 | 6f 62 6c 65 6d 73 20 77 |er of pr|oblems w|
|00000f50| 69 74 68 20 74 68 65 20 | 6c 61 74 65 73 74 20 64 |ith the |latest d|
|00000f60| 72 61 66 74 73 0a 77 65 | 72 65 20 70 6f 69 6e 74 |rafts.we|re point|
|00000f70| 65 64 20 6f 75 74 20 69 | 6e 20 74 68 65 20 6e 65 |ed out i|n the ne|
|00000f80| 77 73 67 72 6f 75 70 20 | 61 6e 64 20 66 69 78 65 |wsgroup |and fixe|
|00000f90| 64 20 62 65 63 61 75 73 | 65 20 6f 66 20 74 68 61 |d becaus|e of tha|
|00000fa0| 74 2e 0a 54 68 65 20 74 | 69 6d 65 20 7a 6f 6e 65 |t..The t|ime zone|
|00000fb0| 20 64 69 73 63 75 73 73 | 69 6f 6e 20 68 61 73 20 | discuss|ion has |
|00000fc0| 62 72 6f 75 67 68 74 20 | 75 70 20 73 6f 6d 65 20 |brought |up some |
|00000fd0| 70 6f 69 6e 74 73 20 77 | 68 69 63 68 20 77 69 6c |points w|hich wil|
|00000fe0| 6c 0a 70 72 6f 62 61 62 | 6c 79 20 61 66 66 65 63 |l.probab|ly affec|
|00000ff0| 74 20 74 68 65 20 65 76 | 65 6e 74 75 61 6c 20 74 |t the ev|entual t|
|00001000| 72 65 61 74 6d 65 6e 74 | 20 6f 66 20 74 68 61 74 |reatment| of that|
|00001010| 20 73 75 62 6a 65 63 74 | 20 62 79 20 74 68 65 0a | subject| by the.|
|00001020| 63 6f 6d 6d 69 74 74 65 | 65 2e 0a 0a 0a 42 65 63 |committe|e....Bec|
|00001030| 61 75 73 65 20 73 6f 6d | 65 74 68 69 6e 67 20 69 |ause som|ething i|
|00001040| 73 20 64 69 73 63 75 73 | 73 65 64 20 69 6e 20 6d |s discus|sed in m|
|00001050| 6f 64 2e 73 74 64 2e 75 | 6e 69 78 20 64 6f 65 73 |od.std.u|nix does|
|00001060| 20 6e 6f 74 20 65 76 65 | 6e 0a 6e 65 63 65 73 73 | not eve|n.necess|
|00001070| 61 72 69 6c 79 20 6d 65 | 61 6e 20 74 68 61 74 20 |arily me|an that |
|00001080| 69 74 20 68 61 73 20 61 | 6e 79 74 68 69 6e 67 20 |it has a|nything |
|00001090| 74 6f 20 64 6f 20 77 69 | 74 68 20 74 68 65 20 50 |to do wi|th the P|
|000010a0| 31 30 30 33 20 63 6f 6d | 6d 69 74 74 65 65 2e 0a |1003 com|mittee..|
|000010b0| 0a 0a 54 68 65 20 63 6f | 6d 6d 69 74 74 65 65 20 |..The co|mmittee |
|000010c0| 69 73 20 76 65 72 79 20 | 61 77 61 72 65 20 74 68 |is very |aware th|
|000010d0| 61 74 20 74 68 65 79 20 | 73 68 6f 75 6c 64 20 6e |at they |should n|
|000010e0| 6f 74 20 62 65 20 69 6e | 74 72 6f 64 75 63 69 6e |ot be in|troducin|
|000010f0| 67 0a 6e 65 77 20 66 61 | 63 69 6c 69 74 69 65 73 |g.new fa|cilities|
|00001100| 2e 20 20 49 74 20 68 61 | 73 20 68 61 70 70 65 6e |.  It ha|s happen|
|00001110| 65 64 20 61 20 66 65 77 | 20 74 69 6d 65 73 2e 20 |ed a few| times. |
|00001120| 20 54 68 65 20 6f 6e 6c | 79 20 6f 6e 65 0a 49 20 | The onl|y one.I |
|00001130| 63 61 6e 20 74 68 69 6e | 6b 20 6f 66 20 61 74 20 |can thin|k of at |
|00001140| 74 68 65 20 6d 6f 6d 65 | 6e 74 20 69 73 20 66 69 |the mome|nt is fi|
|00001150| 6c 65 20 6c 6f 63 6b 69 | 6e 67 2c 20 73 70 65 63 |le locki|ng, spec|
|00001160| 69 66 69 63 61 6c 6c 79 | 20 74 68 65 0a 6d 61 6e |ifically| the.man|
|00001170| 64 61 74 6f 72 79 20 6c | 6f 63 6b 69 6e 67 20 66 |datory l|ocking f|
|00001180| 65 61 74 75 72 65 20 6f | 66 20 66 6c 6f 63 6b 20 |eature o|f flock |
|00001190| 28 77 68 69 63 68 20 77 | 61 73 20 61 63 74 75 61 |(which w|as actua|
|000011a0| 6c 6c 79 20 69 6e 74 72 | 6f 64 75 63 65 64 0a 62 |lly intr|oduced.b|
|000011b0| 79 20 74 68 65 20 2f 75 | 73 72 2f 67 72 6f 75 70 |y the /u|sr/group|
|000011c0| 20 63 6f 6d 6d 69 74 74 | 65 65 29 2e 20 20 54 68 | committ|ee).  Th|
|000011d0| 69 73 20 69 73 20 61 6c | 73 6f 2c 20 6e 6f 74 20 |is is al|so, not |
|000011e0| 63 6f 69 6e 63 69 64 65 | 6e 74 61 6c 6c 79 2c 0a |coincide|ntally,.|
|000011f0| 6f 6e 65 20 6f 66 20 74 | 68 65 20 6d 6f 73 74 20 |one of t|he most |
|00001200| 63 6f 6e 74 72 6f 76 65 | 72 73 69 61 6c 20 74 68 |controve|rsial th|
|00001210| 69 6e 67 73 20 69 6e 20 | 74 68 65 20 63 75 72 72 |ings in |the curr|
|00001220| 65 6e 74 20 64 6f 63 75 | 6d 65 6e 74 0a 28 61 74 |ent docu|ment.(at|
|00001230| 20 74 68 65 20 6d 6f 6d | 65 6e 74 20 69 74 27 73 | the mom|ent it's|
|00001240| 20 69 6e 20 61 6e 20 61 | 70 70 65 6e 64 69 78 29 | in an a|ppendix)|
|00001250| 2c 20 65 76 65 6e 20 74 | 68 6f 75 67 68 20 69 74 |, even t|hough it|
|00001260| 73 20 70 72 6f 70 6f 6e | 65 6e 74 73 0a 6f 6e 6c |s propon|ents.onl|
|00001270| 79 20 62 61 63 6b 20 69 | 74 20 62 65 63 61 75 73 |y back i|t becaus|
|00001280| 65 20 74 68 65 79 20 61 | 72 65 20 63 6f 6e 76 69 |e they a|re convi|
|00001290| 6e 63 65 64 20 69 74 20 | 69 73 20 6e 65 63 65 73 |nced it |is neces|
|000012a0| 73 61 72 79 2e 0a 0a 59 | 6f 75 20 77 69 6c 6c 20 |sary...Y|ou will |
|000012b0| 66 69 6e 64 20 74 68 69 | 6e 67 73 20 69 6e 20 74 |find thi|ngs in t|
|000012c0| 68 65 20 64 72 61 66 74 | 20 73 74 61 6e 64 61 72 |he draft| standar|
|000012d0| 64 20 64 6f 63 75 6d 65 | 6e 74 20 77 68 69 63 68 |d docume|nt which|
|000012e0| 20 64 6f 20 6e 6f 74 0a | 63 6f 72 72 65 73 70 6f | do not.|correspo|
|000012f0| 6e 64 20 74 6f 20 79 6f | 75 72 20 6c 6f 63 61 6c |nd to yo|ur local|
|00001300| 20 73 79 73 74 65 6d 2c | 20 72 65 67 61 72 64 6c | system,| regardl|
|00001310| 65 73 73 20 6f 66 20 77 | 68 61 74 20 79 6f 75 72 |ess of w|hat your|
|00001320| 20 6c 6f 63 61 6c 20 73 | 79 73 74 65 6d 0a 69 73 | local s|ystem.is|
|00001330| 2e 20 20 54 68 69 73 20 | 69 73 20 62 65 63 61 75 |.  This |is becau|
|00001340| 73 65 20 69 6e 20 74 68 | 65 20 72 65 61 6c 20 77 |se in th|e real w|
|00001350| 6f 72 6c 64 20 74 68 65 | 72 65 20 61 72 65 20 61 |orld the|re are a|
|00001360| 74 20 6c 65 61 73 74 20 | 74 77 6f 20 6d 61 6a 6f |t least |two majo|
|00001370| 72 0a 76 61 72 69 61 6e | 74 73 20 6f 66 20 55 4e |r.varian|ts of UN|
|00001380| 49 58 20 61 6e 64 20 6d | 61 6e 79 20 6d 69 6e 6f |IX and m|any mino|
|00001390| 72 20 6f 6e 65 73 2e 20 | 20 54 6f 20 70 69 63 6b |r ones. | To pick|
|000013a0| 20 6f 6e 65 20 61 6e 64 | 20 73 74 61 6e 64 61 72 | one and| standar|
|000013b0| 64 69 7a 65 20 6f 6e 0a | 69 74 20 61 6c 6f 6e 65 |dize on.|it alone|
|000013c0| 20 77 6f 75 6c 64 20 62 | 65 20 74 6f 20 74 72 79 | would b|e to try|
|000013d0| 20 74 6f 20 6f 75 74 6c | 61 77 20 61 6c 6c 20 74 | to outl|aw all t|
|000013e0| 68 65 20 6f 74 68 65 72 | 73 2e 20 20 54 68 69 73 |he other|s.  This|
|000013f0| 20 69 73 20 70 72 6f 62 | 61 62 6c 79 0a 6e 6f 74 | is prob|ably.not|
|00001400| 20 65 76 65 6e 20 70 6f | 73 73 69 62 6c 65 2c 20 | even po|ssible, |
|00001410| 65 76 65 6e 20 69 66 20 | 69 74 20 77 65 72 65 20 |even if |it were |
|00001420| 64 65 73 69 72 61 62 6c | 65 2e 20 20 54 68 65 20 |desirabl|e.  The |
|00001430| 63 6f 6d 6d 69 74 74 65 | 65 20 68 61 73 20 63 68 |committe|e has ch|
|00001440| 6f 73 65 6e 0a 69 6e 73 | 74 65 61 64 20 74 6f 20 |osen.ins|tead to |
|00001450| 74 72 79 20 74 6f 20 70 | 72 6f 64 75 63 65 20 73 |try to p|roduce s|
|00001460| 6f 6d 65 74 68 69 6e 67 | 20 77 68 69 63 68 20 69 |omething| which i|
|00001470| 73 20 6e 6f 74 20 65 78 | 61 63 74 6c 79 20 6c 69 |s not ex|actly li|
|00001480| 6b 65 20 61 6e 79 74 68 | 69 6e 67 0a 6f 75 74 20 |ke anyth|ing.out |
|00001490| 74 68 65 72 65 20 62 75 | 74 20 77 68 69 63 68 20 |there bu|t which |
|000014a0| 63 61 6e 20 62 65 20 69 | 6d 70 6c 65 6d 65 6e 74 |can be i|mplement|
|000014b0| 65 64 20 77 69 74 68 20 | 72 65 6c 61 74 69 76 65 |ed with |relative|
|000014c0| 6c 79 20 6d 69 6e 6f 72 | 20 63 68 61 6e 67 65 73 |ly minor| changes|
|000014d0| 20 6f 6e 0a 6d 6f 73 74 | 20 65 78 69 73 74 69 6e | on.most| existin|
|000014e0| 67 20 73 79 73 74 65 6d | 73 2e 0a 0a 52 69 74 75 |g system|s...Ritu|
|000014f0| 61 6c 20 64 69 73 63 6c | 61 69 6d 65 72 3a 20 20 |al discl|aimer:  |
|00001500| 74 68 69 73 20 61 72 74 | 69 63 6c 65 20 69 73 20 |this art|icle is |
|00001510| 63 6f 6e 73 74 72 75 63 | 74 65 64 20 6f 66 20 6d |construc|ted of m|
|00001520| 79 20 70 65 72 73 6f 6e | 61 6c 20 6f 70 69 6e 69 |y person|al opini|
|00001530| 6f 6e 73 0a 61 6e 64 20 | 64 6f 65 73 20 6e 6f 74 |ons.and |does not|
|00001540| 20 6e 65 63 65 73 73 61 | 72 69 6c 79 20 72 65 70 | necessa|rily rep|
|00001550| 72 65 73 65 6e 74 20 61 | 6e 79 20 6f 66 66 69 63 |resent a|ny offic|
|00001560| 69 61 6c 20 70 6f 73 69 | 74 69 6f 6e 20 6f 66 20 |ial posi|tion of |
|00001570| 49 45 45 45 2c 20 50 31 | 30 30 33 2c 0a 55 53 45 |IEEE, P1|003,.USE|
|00001580| 4e 49 58 2c 20 2f 75 73 | 72 2f 67 72 6f 75 70 2c |NIX, /us|r/group,|
|00001590| 20 6f 72 20 61 6e 79 20 | 6f 74 68 65 72 20 6f 72 | or any |other or|
|000015a0| 67 61 6e 69 7a 61 74 69 | 6f 6e 2e 0a 0a 56 6f 6c |ganizati|on...Vol|
|000015b0| 75 6d 65 2d 4e 75 6d 62 | 65 72 3a 20 56 6f 6c 75 |ume-Numb|er: Volu|
|000015c0| 6d 65 20 36 2c 20 4e 75 | 6d 62 65 72 20 32 0a 0a |me 6, Nu|mber 2..|
|000015d0| 46 72 6f 6d 20 6a 73 71 | 20 20 4d 6f 6e 20 4d 61 |From jsq|  Mon Ma|
|000015e0| 72 20 32 34 20 31 35 3a | 35 37 3a 30 37 20 31 39 |r 24 15:|57:07 19|
|000015f0| 38 36 0a 46 72 6f 6d 3a | 20 73 74 64 2d 75 6e 69 |86.From:| std-uni|
|00001600| 78 25 75 74 2d 73 61 6c | 6c 79 2e 55 55 43 50 40 |x%ut-sal|ly.UUCP@|
|00001610| 53 41 4c 4c 59 2e 55 54 | 45 58 41 53 2e 45 44 55 |SALLY.UT|EXAS.EDU|
|00001620| 20 28 4d 6f 64 65 72 61 | 74 6f 72 2c 20 4a 6f 68 | (Modera|tor, Joh|
|00001630| 6e 20 51 75 61 72 74 65 | 72 6d 61 6e 29 0a 4e 65 |n Quarte|rman).Ne|
|00001640| 77 73 67 72 6f 75 70 73 | 3a 20 6d 6f 64 2e 73 74 |wsgroups|: mod.st|
|00001650| 64 2e 75 6e 69 78 0a 53 | 75 62 6a 65 63 74 3a 20 |d.unix.S|ubject: |
|00001660| 54 69 6d 65 20 5a 6f 6e | 65 73 3b 20 44 36 20 41 |Time Zon|es; D6 A|
|00001670| 2e 33 0a 4d 65 73 73 61 | 67 65 2d 49 64 3a 20 3c |.3.Messa|ge-Id: <|
|00001680| 34 35 31 39 40 75 74 2d | 73 61 6c 6c 79 2e 55 55 |4519@ut-|sally.UU|
|00001690| 43 50 3e 0a 4f 72 67 61 | 6e 69 7a 61 74 69 6f 6e |CP>.Orga|nization|
|000016a0| 3a 20 49 45 45 45 2f 50 | 31 30 30 33 20 50 6f 72 |: IEEE/P|1003 Por|
|000016b0| 74 61 62 6c 65 20 4f 70 | 65 72 61 74 69 6e 67 20 |table Op|erating |
|000016c0| 53 79 73 74 65 6d 20 45 | 6e 76 69 72 6f 6e 6d 65 |System E|nvironme|
|000016d0| 6e 74 20 43 6f 6d 6d 69 | 74 74 65 65 0a 44 61 74 |nt Commi|ttee.Dat|
|000016e0| 65 3a 20 32 34 20 4d 61 | 72 20 38 36 20 32 31 3a |e: 24 Ma|r 86 21:|
|000016f0| 35 36 3a 35 35 20 47 4d | 54 0a 44 72 61 66 74 2d |56:55 GM|T.Draft-|
|00001700| 39 3a 20 54 5a 0a 0a 5b | 20 54 68 69 73 20 69 73 |9: TZ..[| This is|
|00001710| 20 61 20 72 65 70 6f 73 | 74 69 6e 67 20 6f 66 20 | a repos|ting of |
|00001720| 74 68 65 20 61 72 74 69 | 63 6c 65 20 77 68 69 63 |the arti|cle whic|
|00001730| 68 20 73 74 61 72 74 65 | 64 20 74 68 65 20 74 69 |h starte|d the ti|
|00001740| 6d 65 20 7a 6f 6e 65 0a | 64 69 73 63 75 73 73 69 |me zone.|discussi|
|00001750| 6f 6e 2e 20 20 52 65 6d | 65 6d 62 65 72 20 61 20 |on.  Rem|ember a |
|00001760| 66 65 77 20 74 68 69 6e | 67 73 20 77 68 65 6e 20 |few thin|gs when |
|00001770| 72 65 61 64 69 6e 67 20 | 69 74 2e 20 20 55 4e 49 |reading |it.  UNI|
|00001780| 58 20 28 61 6e 64 20 6d | 61 6e 79 0a 6f 74 68 65 |X (and m|any.othe|
|00001790| 72 20 6f 70 65 72 61 74 | 69 6e 67 20 73 79 73 74 |r operat|ing syst|
|000017a0| 65 6d 73 29 20 68 61 73 | 20 2a 61 6c 77 61 79 73 |ems) has| *always|
|000017b0| 2a 20 6b 65 70 74 20 69 | 6e 74 65 72 6e 61 6c 20 |* kept i|nternal |
|000017c0| 74 69 6d 65 20 69 6e 20 | 47 4d 54 2e 0a 54 68 61 |time in |GMT..Tha|
|000017d0| 74 20 69 73 20 6e 6f 74 | 20 74 68 65 20 69 73 73 |t is not| the iss|
|000017e0| 75 65 2e 20 20 54 68 65 | 20 69 73 73 75 65 20 69 |ue.  The| issue i|
|000017f0| 73 20 68 6f 77 20 74 6f | 20 70 72 65 73 65 6e 74 |s how to| present|
|00001800| 20 6c 6f 63 61 6c 20 74 | 69 6d 65 73 20 74 6f 20 | local t|imes to |
|00001810| 74 68 65 0a 75 73 65 72 | 73 2e 20 20 41 6e 64 2c |the.user|s.  And,|
|00001820| 20 77 68 69 6c 65 20 69 | 74 20 69 73 20 67 6f 6f | while i|t is goo|
|00001830| 64 20 74 6f 20 6b 6e 6f | 77 20 68 6f 77 20 74 6f |d to kno|w how to|
|00001840| 20 69 6d 70 6c 65 6d 65 | 6e 74 20 61 20 73 63 68 | impleme|nt a sch|
|00001850| 65 6d 65 20 66 6f 72 0a | 68 61 6e 64 6c 69 6e 67 |eme for.|handling|
|00001860| 20 74 69 6d 65 20 7a 6f | 6e 65 73 2c 20 74 68 65 | time zo|nes, the|
|00001870| 20 50 31 30 30 33 20 73 | 74 61 6e 64 61 72 64 20 | P1003 s|tandard |
|00001880| 6f 6e 6c 79 20 6e 65 65 | 64 73 20 74 6f 20 69 6e |only nee|ds to in|
|00001890| 63 6c 75 64 65 20 61 20 | 66 65 77 0a 6c 69 62 72 |clude a |few.libr|
|000018a0| 61 72 79 20 72 6f 75 74 | 69 6e 65 20 69 6e 74 65 |ary rout|ine inte|
|000018b0| 72 66 61 63 65 73 2e 20 | 20 46 69 6e 61 6c 6c 79 |rfaces. | Finally|
|000018c0| 2c 20 74 68 69 73 20 73 | 75 62 6a 65 63 74 20 69 |, this s|ubject i|
|000018d0| 73 20 67 65 74 74 69 6e | 67 20 73 6f 72 74 20 6f |s gettin|g sort o|
|000018e0| 66 0a 64 69 73 63 75 73 | 73 65 64 20 6f 75 74 2c |f.discus|sed out,|
|000018f0| 20 73 6f 20 6c 65 74 27 | 73 20 74 72 79 20 6e 6f | so let'|s try no|
|00001900| 74 20 74 6f 20 72 65 70 | 65 61 74 20 69 74 20 61 |t to rep|eat it a|
|00001910| 6c 6c 20 61 67 61 69 6e | 2e 20 20 2d 6d 6f 64 20 |ll again|.  -mod |
|00001920| 5d 0a 0a 44 61 74 65 3a | 20 57 65 64 2c 20 31 20 |]..Date:| Wed, 1 |
|00001930| 4a 61 6e 20 38 36 20 31 | 38 3a 33 39 3a 32 36 20 |Jan 86 1|8:39:26 |
|00001940| 65 73 74 0a 46 72 6f 6d | 3a 20 73 65 69 73 6d 6f |est.From|: seismo|
|00001950| 21 63 62 70 61 76 6f 2e | 63 62 6f 73 67 64 2e 41 |!cbpavo.|cbosgd.A|
|00001960| 54 54 2e 55 55 43 50 21 | 6d 61 72 6b 40 73 61 6c |TT.UUCP!|mark@sal|
|00001970| 6c 79 2e 55 54 45 58 41 | 53 2e 45 44 55 20 28 4d |ly.UTEXA|S.EDU (M|
|00001980| 61 72 6b 20 48 6f 72 74 | 6f 6e 29 0a 0a 54 68 65 |ark Hort|on)..The|
|00001990| 20 6c 61 74 65 73 74 20 | 64 72 61 66 74 20 61 73 | latest |draft as|
|000019a0| 6b 65 64 20 66 6f 72 20 | 69 6e 70 75 74 20 61 62 |ked for |input ab|
|000019b0| 6f 75 74 20 74 69 6d 65 | 20 7a 6f 6e 65 73 2e 20 |out time| zones. |
|000019c0| 20 49 27 64 20 6c 69 6b | 65 20 74 6f 0a 6d 61 6b | I'd lik|e to.mak|
|000019d0| 65 20 61 20 66 65 77 20 | 63 6f 6d 6d 65 6e 74 73 |e a few |comments|
|000019e0| 2e 0a 0a 54 68 65 72 65 | 20 61 72 65 20 74 77 6f |...There| are two|
|000019f0| 20 62 61 73 69 63 20 77 | 61 79 73 20 74 68 61 74 | basic w|ays that|
|00001a00| 20 74 69 6d 65 20 7a 6f | 6e 65 73 20 61 72 65 20 | time zo|nes are |
|00001a10| 64 6f 6e 65 20 74 6f 64 | 61 79 2e 20 20 54 68 65 |done tod|ay.  The|
|00001a20| 72 65 0a 69 73 20 74 68 | 65 20 56 37 20 6d 65 74 |re.is th|e V7 met|
|00001a30| 68 6f 64 20 28 77 68 65 | 72 65 20 74 68 65 20 7a |hod (whe|re the z|
|00001a40| 6f 6e 65 20 6f 66 66 73 | 65 74 20 69 73 20 69 6e |one offs|et is in|
|00001a50| 20 74 68 65 20 6b 65 72 | 6e 65 6c 29 20 61 6e 64 | the ker|nel) and|
|00001a60| 20 74 68 65 0a 53 79 73 | 74 65 6d 20 49 49 49 20 | the.Sys|tem III |
|00001a70| 6d 65 74 68 6f 64 20 28 | 77 68 65 72 65 20 74 68 |method (|where th|
|00001a80| 65 20 7a 6f 6e 65 20 6f | 66 66 73 65 74 20 61 6e |e zone o|ffset an|
|00001a90| 64 20 6e 61 6d 65 20 69 | 73 20 69 6e 20 61 6e 20 |d name i|s in an |
|00001aa0| 65 6e 76 69 72 6f 6e 6d | 65 6e 74 0a 76 61 72 69 |environm|ent.vari|
|00001ab0| 61 62 6c 65 2e 29 20 20 | 34 2e 32 42 53 44 20 64 |able.)  |4.2BSD d|
|00001ac0| 65 73 63 65 6e 64 73 20 | 66 72 6f 6d 20 56 37 20 |escends |from V7 |
|00001ad0| 28 61 6c 74 68 6f 75 67 | 68 20 69 74 20 68 61 73 |(althoug|h it has|
|00001ae0| 20 61 20 66 61 6e 63 69 | 65 72 20 22 6f 66 66 73 | a fanci|er "offs|
|00001af0| 65 74 0a 74 6f 20 7a 6f | 6e 65 20 6e 61 6d 65 22 |et.to zo|ne name"|
|00001b00| 20 63 6f 6e 76 65 72 73 | 69 6f 6e 20 61 6c 67 6f | convers|ion algo|
|00001b10| 72 69 74 68 6d 20 74 68 | 61 74 20 6b 6e 6f 77 73 |rithm th|at knows|
|00001b20| 20 6d 6f 72 65 20 61 62 | 6f 75 74 20 74 68 65 20 | more ab|out the |
|00001b30| 77 6f 72 6c 64 29 0a 61 | 6e 64 20 53 79 73 74 65 |world).a|nd Syste|
|00001b40| 6d 20 56 20 64 65 73 63 | 65 6e 64 73 20 66 72 6f |m V desc|ends fro|
|00001b50| 6d 20 53 79 73 74 65 6d | 20 49 49 49 2e 0a 0a 54 |m System| III...T|
|00001b60| 68 65 72 65 20 61 72 65 | 20 65 6c 65 67 61 6e 63 |here are| eleganc|
|00001b70| 65 20 63 6f 6e 73 69 64 | 65 72 61 74 69 6f 6e 73 |e consid|erations|
|00001b80| 20 28 65 2e 67 2e 20 73 | 68 6f 75 6c 64 20 74 68 | (e.g. s|hould th|
|00001b90| 65 20 6b 65 72 6e 65 6c | 20 6b 6e 6f 77 20 6f 72 |e kernel| know or|
|00001ba0| 0a 63 61 72 65 20 61 62 | 6f 75 74 20 74 69 6d 65 |.care ab|out time|
|00001bb0| 20 7a 6f 6e 65 73 3f 29 | 20 61 6e 64 20 65 66 66 | zones?)| and eff|
|00001bc0| 69 63 69 65 6e 63 79 20 | 63 6f 6e 73 69 64 65 72 |iciency |consider|
|00001bd0| 61 74 69 6f 6e 73 20 28 | 65 2e 67 2e 20 69 73 20 |ations (|e.g. is |
|00001be0| 69 74 0a 66 61 73 74 65 | 72 20 74 6f 20 6c 6f 6f |it.faste|r to loo|
|00001bf0| 6b 20 69 6e 20 74 68 65 | 20 65 6e 76 69 72 6f 6e |k in the| environ|
|00001c00| 6d 65 6e 74 2c 20 64 6f | 20 61 20 73 79 73 74 65 |ment, do| a syste|
|00001c10| 6d 20 63 61 6c 6c 2c 20 | 6f 72 20 72 65 61 64 20 |m call, |or read |
|00001c20| 61 20 66 69 6c 65 2e 29 | 0a 42 75 74 20 62 6f 74 |a file.)|.But bot|
|00001c30| 68 20 6f 66 20 74 68 65 | 73 65 20 61 72 65 20 64 |h of the|se are d|
|00001c40| 77 61 72 66 65 64 20 62 | 79 20 61 20 6d 75 63 68 |warfed b|y a much|
|00001c50| 20 6d 6f 72 65 20 69 6d | 70 6f 72 74 61 6e 74 20 | more im|portant |
|00001c60| 63 6f 6e 73 69 64 65 72 | 61 74 69 6f 6e 3a 0a 64 |consider|ation:.d|
|00001c70| 6f 65 73 20 69 74 20 77 | 6f 72 6b 20 70 72 6f 70 |oes it w|ork prop|
|00001c80| 65 72 6c 79 20 69 6e 20 | 61 6c 6c 20 63 61 73 65 |erly in |all case|
|00001c90| 73 3f 20 20 49 20 63 6c | 61 69 6d 20 74 68 61 74 |s?  I cl|aim that|
|00001ca0| 20 6e 65 69 74 68 65 72 | 20 6d 65 74 68 6f 64 20 | neither| method |
|00001cb0| 69 73 0a 63 6f 72 72 65 | 63 74 20 61 6c 6c 20 74 |is.corre|ct all t|
|00001cc0| 68 65 20 74 69 6d 65 2c | 20 62 75 74 20 74 68 65 |he time,| but the|
|00001cd0| 20 56 37 20 6d 65 74 68 | 6f 64 20 69 73 20 72 69 | V7 meth|od is ri|
|00001ce0| 67 68 74 20 6d 6f 72 65 | 20 6f 66 74 65 6e 20 74 |ght more| often t|
|00001cf0| 68 61 6e 20 74 68 65 0a | 53 79 73 74 65 6d 20 49 |han the.|System I|
|00001d00| 49 49 20 6d 65 74 68 6f | 64 2e 0a 0a 49 6e 20 56 |II metho|d...In V|
|00001d10| 37 2c 20 77 68 65 6e 20 | 79 6f 75 20 63 6f 6e 66 |7, when |you conf|
|00001d20| 69 67 75 72 65 20 79 6f | 75 72 20 6b 65 72 6e 65 |igure yo|ur kerne|
|00001d30| 6c 2c 20 79 6f 75 20 74 | 65 6c 6c 20 69 74 20 74 |l, you t|ell it t|
|00001d40| 68 65 20 7a 6f 6e 65 20 | 6f 66 66 73 65 74 2c 0a |he zone |offset,.|
|00001d50| 69 6e 20 6d 69 6e 75 74 | 65 73 2c 20 66 72 6f 6d |in minut|es, from|
|00001d60| 20 47 4d 54 2c 20 61 6e | 64 20 77 68 65 74 68 65 | GMT, an|d whethe|
|00001d70| 72 20 79 6f 75 20 6f 62 | 73 65 72 76 65 20 44 61 |r you ob|serve Da|
|00001d80| 79 6c 69 67 68 74 20 74 | 69 6d 65 2e 20 20 54 68 |ylight t|ime.  Th|
|00001d90| 65 73 65 0a 6e 75 6d 62 | 65 72 73 20 61 72 65 20 |ese.numb|ers are |
|00001da0| 73 74 6f 72 65 64 20 69 | 6e 20 74 68 65 20 6b 65 |stored i|n the ke|
|00001db0| 72 6e 65 6c 2c 20 77 68 | 69 63 68 20 64 6f 65 73 |rnel, wh|ich does|
|00001dc0| 6e 27 74 20 64 6f 20 61 | 6e 79 74 68 69 6e 67 20 |n't do a|nything |
|00001dd0| 77 69 74 68 20 74 68 65 | 6d 0a 65 78 63 65 70 74 |with the|m.except|
|00001de0| 20 72 65 74 75 72 6e 20 | 74 68 65 6d 20 77 68 65 | return |them whe|
|00001df0| 6e 20 61 6e 20 66 74 69 | 6d 65 20 73 79 73 74 65 |n an fti|me syste|
|00001e00| 6d 20 63 61 6c 6c 20 61 | 73 6b 73 20 66 6f 72 20 |m call a|sks for |
|00001e10| 74 68 65 6d 2e 20 20 53 | 6f 2c 20 69 6e 0a 65 66 |them.  S|o, in.ef|
|00001e20| 66 65 63 74 2c 20 74 68 | 65 79 20 61 72 65 20 69 |fect, th|ey are i|
|00001e30| 6e 20 74 68 65 20 6b 65 | 72 6e 65 6c 20 66 6f 72 |n the ke|rnel for|
|00001e40| 20 61 64 6d 69 6e 69 73 | 74 72 61 74 69 76 65 20 | adminis|trative |
|00001e50| 63 6f 6e 76 65 6e 69 65 | 6e 63 65 2e 20 20 28 59 |convenie|nce.  (Y|
|00001e60| 6f 75 0a 64 6f 6e 27 74 | 20 68 61 76 65 20 74 6f |ou.don't| have to|
|00001e70| 20 6f 70 65 6e 20 61 20 | 66 69 6c 65 2c 20 61 6e | open a |file, an|
|00001e80| 64 20 74 68 65 79 20 61 | 72 65 6e 27 74 20 63 6f |d they a|ren't co|
|00001e90| 6d 70 69 6c 65 64 20 69 | 6e 74 6f 20 63 74 69 6d |mpiled i|nto ctim|
|00001ea0| 65 2c 20 73 6f 20 69 74 | 0a 69 73 6e 27 74 20 6e |e, so it|.isn't n|
|00001eb0| 65 63 65 73 73 61 72 79 | 20 74 6f 20 72 65 6c 69 |ecessary| to reli|
|00001ec0| 6e 6b 20 65 76 65 72 79 | 20 70 72 6f 67 72 61 6d |nk every| program|
|00001ed0| 20 74 68 61 74 20 63 61 | 6c 6c 73 20 63 74 69 6d | that ca|lls ctim|
|00001ee0| 65 20 6f 72 20 6c 6f 63 | 61 6c 74 69 6d 65 0a 77 |e or loc|altime.w|
|00001ef0| 68 65 6e 20 79 6f 75 20 | 69 6e 73 74 61 6c 6c 20 |hen you |install |
|00001f00| 61 20 6e 65 77 20 73 79 | 73 74 65 6d 2e 29 20 20 |a new sy|stem.)  |
|00001f10| 54 68 65 20 73 6d 61 72 | 74 73 20 74 68 61 74 20 |The smar|ts that |
|00001f20| 67 65 6e 65 72 61 74 65 | 20 74 68 65 20 74 69 6d |generate| the tim|
|00001f30| 65 20 7a 6f 6e 65 0a 6e | 61 6d 65 20 61 6e 64 20 |e zone.n|ame and |
|00001f40| 64 65 63 69 64 65 20 69 | 66 20 44 61 79 6c 69 67 |decide i|f Daylig|
|00001f50| 68 74 20 74 69 6d 65 20 | 69 73 20 69 6e 20 65 66 |ht time |is in ef|
|00001f60| 66 65 63 74 20 61 72 65 | 20 69 6e 20 63 74 69 6d |fect are| in ctim|
|00001f70| 65 20 69 6e 20 75 73 65 | 72 20 63 6f 64 65 2e 0a |e in use|r code..|
|00001f80| 28 42 79 20 63 6f 6d 70 | 61 72 69 73 6f 6e 2c 20 |(By comp|arison, |
|00001f90| 69 6e 20 54 4f 50 53 20 | 32 30 2c 20 74 68 65 20 |in TOPS |20, the |
|00001fa0| 65 71 75 69 76 61 6c 65 | 6e 74 20 6f 66 20 63 74 |equivale|nt of ct|
|00001fb0| 69 6d 65 20 69 73 20 61 | 20 73 79 73 74 65 6d 20 |ime is a| system |
|00001fc0| 63 61 6c 6c 2c 0a 77 69 | 74 68 20 6c 6f 74 73 20 |call,.wi|th lots |
|00001fd0| 6f 66 20 6f 70 74 69 6f | 6e 73 20 66 6f 72 20 74 |of optio|ns for t|
|00001fe0| 68 65 20 66 6f 72 6d 61 | 74 2e 20 20 54 68 69 73 |he forma|t.  This|
|00001ff0| 20 6d 61 79 20 73 65 65 | 6d 20 69 6e 65 6c 65 67 | may see|m ineleg|
|00002000| 61 6e 74 2c 20 62 75 74 | 20 69 74 0a 72 65 73 75 |ant, but| it.resu|
|00002010| 6c 74 73 20 69 6e 20 6f | 6e 6c 79 20 6f 6e 65 20 |lts in o|nly one |
|00002020| 63 6f 70 79 20 6f 66 20 | 74 68 65 20 63 6f 64 65 |copy of |the code|
|00002030| 20 6f 6e 20 74 68 65 20 | 73 79 73 74 65 6d 2c 20 | on the |system, |
|00002040| 65 76 65 6e 20 77 69 74 | 68 6f 75 74 20 73 68 61 |even wit|hout sha|
|00002050| 72 65 64 0a 6c 69 62 72 | 61 72 69 65 73 2e 29 0a |red.libr|aries.).|
|00002060| 0a 49 6e 20 53 79 73 74 | 65 6d 20 49 49 49 2c 20 |.In Syst|em III, |
|00002070| 74 68 65 20 6b 65 72 6e | 65 6c 20 64 6f 65 73 6e |the kern|el doesn|
|00002080| 27 74 20 6b 6e 6f 77 20 | 61 62 6f 75 74 20 74 69 |'t know |about ti|
|00002090| 6d 65 20 7a 6f 6e 65 73 | 20 61 74 20 61 6c 6c 2e |me zones| at all.|
|000020a0| 20 20 54 68 65 0a 65 6e | 76 69 72 6f 6e 6d 65 6e |  The.en|vironmen|
|000020b0| 74 20 76 61 72 69 61 62 | 6c 65 20 54 5a 20 73 74 |t variab|le TZ st|
|000020c0| 6f 72 65 73 20 62 6f 74 | 68 20 74 68 65 20 7a 6f |ores bot|h the zo|
|000020d0| 6e 65 20 6e 61 6d 65 73 | 20 61 6e 64 20 74 68 65 |ne names| and the|
|000020e0| 20 7a 6f 6e 65 20 6f 66 | 66 73 65 74 2c 0a 61 6e | zone of|fset,.an|
|000020f0| 64 20 63 74 69 6d 65 20 | 6c 6f 6f 6b 73 20 74 68 |d ctime |looks th|
|00002100| 65 72 65 2e 20 20 54 68 | 69 73 20 6d 61 6b 65 73 |ere.  Th|is makes|
|00002110| 20 74 68 69 6e 67 73 20 | 76 65 72 79 20 66 6c 65 | things |very fle|
|00002120| 78 69 62 6c 65 20 2d 20 | 6e 6f 20 61 73 73 75 6d |xible - |no assum|
|00002130| 70 74 69 6f 6e 73 0a 61 | 62 6f 75 74 20 33 20 63 |ptions.a|bout 3 c|
|00002140| 68 61 72 61 63 74 65 72 | 20 7a 6f 6e 65 20 6e 61 |haracter| zone na|
|00002150| 6d 65 73 2c 20 61 6e 64 | 20 69 74 27 73 20 65 61 |mes, and| it's ea|
|00002160| 73 79 20 66 6f 72 20 61 | 20 70 65 72 73 6f 6e 20 |sy for a| person |
|00002170| 64 69 61 6c 69 6e 67 20 | 69 6e 20 66 72 6f 6d 0a |dialing |in from.|
|00002180| 61 20 64 69 66 66 65 72 | 65 6e 74 20 74 69 6d 65 |a differ|ent time|
|00002190| 20 7a 6f 6e 65 20 74 6f | 20 72 75 6e 20 69 6e 20 | zone to| run in |
|000021a0| 74 68 65 69 72 20 6f 77 | 6e 20 74 69 6d 65 20 7a |their ow|n time z|
|000021b0| 6f 6e 65 2e 20 20 41 6c | 73 6f 2c 20 69 74 27 73 |one.  Al|so, it's|
|000021c0| 20 76 65 72 79 0a 65 66 | 66 69 63 69 65 6e 74 20 | very.ef|ficient |
|000021d0| 74 6f 20 6c 6f 6f 6b 20 | 69 6e 20 74 68 65 20 65 |to look |in the e|
|000021e0| 6e 76 69 72 6f 6e 6d 65 | 6e 74 20 2d 20 66 61 73 |nvironme|nt - fas|
|000021f0| 74 65 72 20 74 68 61 6e | 20 61 20 73 79 73 74 65 |ter than| a syste|
|00002200| 6d 20 63 61 6c 6c 2e 0a | 0a 48 6f 77 65 76 65 72 |m call..|.However|
|00002210| 2c 20 74 68 65 72 65 20 | 61 72 65 20 73 6f 6d 65 |, there |are some|
|00002220| 20 76 65 72 79 20 73 65 | 72 69 6f 75 73 20 70 72 | very se|rious pr|
|00002230| 6f 62 6c 65 6d 73 20 77 | 69 74 68 20 74 68 65 20 |oblems w|ith the |
|00002240| 53 79 73 74 65 6d 20 49 | 49 49 20 6d 65 74 68 6f |System I|II metho|
|00002250| 64 2e 0a 4f 6e 65 20 70 | 72 6f 62 6c 65 6d 20 69 |d..One p|roblem i|
|00002260| 73 20 74 68 61 74 2c 20 | 77 69 74 68 20 61 6e 20 |s that, |with an |
|00002270| 6f 66 66 73 65 74 20 6d | 65 61 73 75 72 65 64 20 |offset m|easured |
|00002280| 69 6e 20 68 6f 75 72 73 | 2c 20 70 6c 61 63 65 73 |in hours|, places|
|00002290| 20 6c 69 6b 65 0a 4e 65 | 77 66 6f 75 6e 64 6c 61 | like.Ne|wfoundla|
|000022a0| 6e 64 2c 20 43 65 6e 74 | 72 61 6c 20 41 75 73 74 |nd, Cent|ral Aust|
|000022b0| 72 61 6c 69 61 2c 20 61 | 6e 64 20 53 61 75 64 69 |ralia, a|nd Saudi|
|000022c0| 20 41 72 61 62 69 61 2c | 20 77 68 69 63 68 20 64 | Arabia,| which d|
|000022d0| 6f 6e 27 74 20 68 61 76 | 65 0a 65 76 65 6e 20 68 |on't hav|e.even h|
|000022e0| 6f 75 72 20 74 69 6d 65 | 20 7a 6f 6e 65 73 2c 20 |our time| zones, |
|000022f0| 61 72 65 20 69 6e 20 74 | 72 6f 75 62 6c 65 2e 20 |are in t|rouble. |
|00002300| 20 42 75 74 20 74 68 61 | 74 27 73 20 65 61 73 79 | But tha|t's easy|
|00002310| 20 74 6f 20 66 69 78 20 | 69 6e 20 74 68 65 20 73 | to fix |in the s|
|00002320| 74 61 6e 64 61 72 64 2e | 0a 0a 54 68 65 20 74 69 |tandard.|..The ti|
|00002330| 6d 65 20 7a 6f 6e 65 20 | 69 73 20 63 6f 6e 66 69 |me zone |is confi|
|00002340| 67 75 72 65 64 20 69 6e | 74 6f 20 74 68 65 20 73 |gured in|to the s|
|00002350| 79 73 74 65 6d 20 62 79 | 20 6d 6f 64 69 66 79 69 |ystem by| modifyi|
|00002360| 6e 67 20 2f 65 74 63 2f | 70 72 6f 66 69 6c 65 2c |ng /etc/|profile,|
|00002370| 0a 77 68 69 63 68 20 69 | 73 20 61 20 73 68 65 6c |.which i|s a shel|
|00002380| 6c 20 73 63 72 69 70 74 | 20 6f 66 20 73 74 61 72 |l script| of star|
|00002390| 74 75 70 20 63 6f 6d 6d | 61 6e 64 73 20 72 75 6e |tup comm|ands run|
|000023a0| 20 62 79 20 74 68 65 20 | 42 6f 75 72 6e 65 20 73 | by the |Bourne s|
|000023b0| 68 65 6c 6c 20 77 68 65 | 6e 0a 61 6e 79 20 75 73 |hell whe|n.any us|
|000023c0| 65 72 20 6c 6f 67 73 20 | 69 6e 2c 20 6d 75 63 68 |er logs |in, much|
|000023d0| 20 6c 69 6b 65 20 2e 70 | 72 6f 66 69 6c 65 20 6f | like .p|rofile o|
|000023e0| 72 20 2e 6c 6f 67 69 6e | 2e 20 20 54 68 69 73 20 |r .login|.  This |
|000023f0| 6d 65 61 6e 73 20 74 68 | 61 74 20 77 65 20 61 73 |means th|at we as|
|00002400| 73 75 6d 65 0a 65 76 65 | 72 79 62 6f 64 79 20 69 |sume.eve|rybody i|
|00002410| 73 20 75 73 69 6e 67 20 | 74 68 65 20 42 6f 75 72 |s using |the Bour|
|00002420| 6e 65 20 73 68 65 6c 6c | 2e 20 20 54 68 69 73 20 |ne shell|.  This |
|00002430| 69 73 20 61 20 66 61 6c | 73 65 20 61 73 73 75 6d |is a fal|se assum|
|00002440| 70 74 69 6f 6e 20 2d 20 | 6f 6e 65 20 6f 66 0a 74 |ption - |one of.t|
|00002450| 68 65 20 64 6f 63 75 6d | 65 6e 74 65 64 20 66 65 |he docum|ented fe|
|00002460| 61 74 75 72 65 73 20 6f | 66 20 55 4e 49 58 20 65 |atures o|f UNIX e|
|00002470| 76 65 72 20 73 69 6e 63 | 65 20 56 36 20 69 73 20 |ver sinc|e V6 is |
|00002480| 74 68 61 74 20 74 68 65 | 20 73 68 65 6c 6c 20 69 |that the| shell i|
|00002490| 73 20 61 6e 0a 6f 72 64 | 69 6e 61 72 79 20 70 72 |s an.ord|inary pr|
|000024a0| 6f 67 72 61 6d 2c 20 61 | 6e 64 20 61 20 75 73 65 |ogram, a|nd a use|
|000024b0| 72 20 63 61 6e 20 68 61 | 76 65 20 61 6e 79 20 73 |r can ha|ve any s|
|000024c0| 68 65 6c 6c 20 74 68 65 | 79 20 6c 69 6b 65 2e 20 |hell the|y like. |
|000024d0| 20 49 6e 20 70 61 72 74 | 69 63 75 6c 61 72 2c 0a | In part|icular,.|
|000024e0| 74 68 65 20 42 65 72 6b | 65 6c 65 79 20 43 20 73 |the Berk|eley C s|
|000024f0| 68 65 6c 6c 20 64 6f 65 | 73 20 6e 6f 74 20 72 65 |hell doe|s not re|
|00002500| 61 64 20 2f 65 74 63 2f | 70 72 6f 66 69 6c 65 2c |ad /etc/|profile,|
|00002510| 20 73 6f 20 61 6c 6c 20 | 63 73 68 20 75 73 65 72 | so all |csh user|
|00002520| 73 20 64 6f 6e 27 74 20 | 67 65 74 0a 61 20 54 5a |s don't |get.a TZ|
|00002530| 20 76 61 72 69 61 62 6c | 65 20 73 65 74 20 75 70 | variabl|e set up|
|00002540| 20 66 6f 72 20 74 68 65 | 6d 20 69 6e 20 65 76 65 | for the|m in eve|
|00002550| 72 79 20 53 79 73 74 65 | 6d 20 49 49 49 20 6f 72 |ry Syste|m III or|
|00002560| 20 56 20 55 4e 49 58 20 | 49 27 76 65 20 65 76 65 | V UNIX |I've eve|
|00002570| 72 20 75 73 65 64 2e 0a | 0a 57 65 6c 6c 2c 20 61 |r used..|.Well, a|
|00002580| 66 74 65 72 20 61 6c 6c | 2c 20 74 68 65 20 42 6f |fter all|, the Bo|
|00002590| 75 72 6e 65 20 73 68 65 | 6c 6c 20 69 73 20 74 68 |urne she|ll is th|
|000025a0| 65 20 73 74 61 6e 64 61 | 72 64 20 73 68 65 6c 6c |e standa|rd shell|
|000025b0| 2c 20 61 6e 64 20 65 76 | 65 72 79 62 6f 64 79 20 |, and ev|erybody |
|000025c0| 73 68 6f 75 6c 64 0a 75 | 73 65 20 74 68 65 20 73 |should.u|se the s|
|000025d0| 74 61 6e 64 61 72 64 20 | 73 68 65 6c 6c 2c 20 72 |tandard |shell, r|
|000025e0| 69 67 68 74 3f 20 20 41 | 66 74 65 72 20 61 6c 6c |ight?  A|fter all|
|000025f0| 2c 20 74 68 65 20 6e 65 | 77 20 4b 6f 72 6e 20 73 |, the ne|w Korn s|
|00002600| 68 65 6c 6c 20 72 65 61 | 64 73 20 61 6e 64 0a 75 |hell rea|ds and.u|
|00002610| 6e 64 65 72 73 74 61 6e | 64 73 20 2f 65 74 63 2f |nderstan|ds /etc/|
|00002620| 70 72 6f 66 69 6c 65 2e | 0a 0a 45 76 65 6e 20 69 |profile.|..Even i|
|00002630| 66 20 77 65 20 62 65 6c | 69 65 76 65 20 74 68 65 |f we bel|ieve the|
|00002640| 20 61 62 6f 76 65 20 73 | 74 61 74 65 6d 65 6e 74 | above s|tatement|
|00002650| 20 61 6e 64 20 69 67 6e | 6f 72 65 20 74 68 65 20 | and ign|ore the |
|00002660| 64 6f 63 75 6d 65 6e 74 | 65 64 20 66 65 61 74 75 |document|ed featu|
|00002670| 72 65 0a 6f 66 20 62 65 | 69 6e 67 20 61 62 6c 65 |re.of be|ing able|
|00002680| 20 74 6f 20 70 75 74 20 | 79 6f 75 72 20 66 61 76 | to put |your fav|
|00002690| 6f 72 69 74 65 20 73 68 | 65 6c 6c 20 69 6e 20 74 |orite sh|ell in t|
|000026a0| 68 65 20 70 61 73 73 77 | 64 20 66 69 6c 65 20 28 |he passw|d file (|
|000026b0| 61 6e 64 20 49 20 64 6f | 6e 27 74 29 0a 77 65 20 |and I do|n't).we |
|000026c0| 73 74 69 6c 6c 20 67 65 | 74 20 69 6e 74 6f 20 74 |still ge|t into t|
|000026d0| 72 6f 75 62 6c 65 2e 20 | 20 46 6f 72 20 65 78 61 |rouble. | For exa|
|000026e0| 6d 70 6c 65 2c 20 75 75 | 63 70 20 68 61 73 20 61 |mple, uu|cp has a|
|000026f0| 20 73 70 65 63 69 61 6c | 20 73 68 65 6c 6c 3a 20 | special| shell: |
|00002700| 75 75 63 69 63 6f 2e 0a | 49 74 20 64 6f 65 73 6e |uucico..|It doesn|
|00002710| 27 74 20 72 65 61 64 20 | 2f 65 74 63 2f 70 72 6f |'t read |/etc/pro|
|00002720| 66 69 6c 65 2e 20 20 41 | 6e 64 20 77 68 61 74 20 |file.  A|nd what |
|00002730| 61 62 6f 75 74 20 70 72 | 6f 67 72 61 6d 73 20 74 |about pr|ograms t|
|00002740| 68 61 74 20 64 6f 6e 27 | 74 20 67 65 74 20 72 75 |hat don'|t get ru|
|00002750| 6e 0a 66 72 6f 6d 20 61 | 20 6c 6f 67 69 6e 20 73 |n.from a| login s|
|00002760| 68 65 6c 6c 3f 20 20 46 | 6f 72 20 65 78 61 6d 70 |hell?  F|or examp|
|00002770| 6c 65 2c 20 61 6c 6c 20 | 74 68 65 20 62 61 63 6b |le, all |the back|
|00002780| 67 72 6f 75 6e 64 20 64 | 61 65 6d 6f 6e 73 20 72 |ground d|aemons r|
|00002790| 75 6e 20 6f 75 74 20 6f | 66 0a 2f 65 74 63 2f 72 |un out o|f./etc/r|
|000027a0| 63 3f 20 20 4f 72 20 70 | 72 6f 67 72 61 6d 73 20 |c?  Or p|rograms |
|000027b0| 72 75 6e 20 66 72 6f 6d | 20 63 72 6f 6e 3f 20 20 |run from| cron?  |
|000027c0| 4f 72 20 66 72 6f 6d 20 | 61 74 3f 20 20 4f 72 20 |Or from |at?  Or |
|000027d0| 70 72 6f 67 72 61 6d 73 | 20 72 75 6e 20 77 68 69 |programs| run whi|
|000027e0| 6c 65 0a 73 69 6e 67 6c | 65 20 75 73 65 72 3f 20 |le.singl|e user? |
|000027f0| 20 4e 6f 6e 65 20 6f 66 | 20 74 68 65 73 65 20 70 | None of| these p|
|00002800| 72 6f 67 72 61 6d 73 20 | 67 65 74 20 61 20 54 5a |rograms |get a TZ|
|00002810| 2e 0a 0a 44 6f 65 73 20 | 69 74 20 6d 61 74 74 65 |...Does |it matte|
|00002820| 72 20 69 66 20 61 20 6e | 6f 6e 2d 69 6e 74 65 72 |r if a n|on-inter|
|00002830| 61 63 74 69 76 65 20 70 | 72 6f 67 72 61 6d 20 69 |active p|rogram i|
|00002840| 73 20 69 6e 20 74 68 65 | 20 77 72 6f 6e 67 20 74 |s in the| wrong t|
|00002850| 69 6d 65 20 7a 6f 6e 65 | 3f 0a 41 66 74 65 72 20 |ime zone|?.After |
|00002860| 61 6c 6c 2c 20 74 68 65 | 20 66 69 6c 65 73 20 69 |all, the| files i|
|00002870| 74 20 74 6f 75 63 68 65 | 73 20 61 72 65 20 74 6f |t touche|s are to|
|00002880| 75 63 68 65 64 20 69 6e | 20 47 4d 54 2e 20 20 54 |uched in| GMT.  T|
|00002890| 68 65 20 61 6e 73 77 65 | 72 20 69 73 20 79 65 73 |he answe|r is yes|
|000028a0| 3a 0a 62 61 63 6b 67 72 | 6f 75 6e 64 20 70 72 6f |:.backgr|ound pro|
|000028b0| 63 65 73 73 65 73 20 67 | 65 6e 65 72 61 6c 6c 79 |cesses g|enerally|
|000028c0| 20 6b 65 65 70 20 6c 6f | 67 73 2c 20 61 6e 64 20 | keep lo|gs, and |
|000028d0| 74 68 65 20 6c 6f 67 73 | 20 68 61 76 65 20 74 69 |the logs| have ti|
|000028e0| 6d 65 20 73 74 61 6d 70 | 73 2e 0a 46 6f 72 20 65 |me stamp|s..For e|
|000028f0| 78 61 6d 70 6c 65 2c 20 | 75 75 63 69 63 6f 20 67 |xample, |uucico g|
|00002900| 65 74 73 20 73 74 61 72 | 74 65 64 20 68 6f 75 72 |ets star|ted hour|
|00002910| 6c 79 20 6f 75 74 20 6f | 66 20 63 72 6f 6e 74 61 |ly out o|f cronta|
|00002920| 62 2c 20 61 6e 64 20 74 | 68 69 73 20 6d 65 61 6e |b, and t|his mean|
|00002930| 73 0a 74 68 61 74 20 61 | 6c 6d 6f 73 74 20 61 6e |s.that a|lmost an|
|00002940| 79 20 75 75 63 69 63 6f | 20 6f 6e 20 74 68 65 20 |y uucico| on the |
|00002950| 73 79 73 74 65 6d 20 28 | 66 72 6f 6d 20 63 72 6f |system (|from cro|
|00002960| 6e 74 61 62 20 6f 72 20 | 66 72 6f 6d 20 61 6e 6f |ntab or |from ano|
|00002970| 74 68 65 72 20 73 79 73 | 74 65 6d 0a 6c 6f 67 67 |ther sys|tem.logg|
|00002980| 69 6e 67 20 69 6e 29 20 | 77 69 6c 6c 20 72 75 6e |ing in) |will run|
|00002990| 20 69 6e 20 74 68 65 20 | 77 72 6f 6e 67 20 74 69 | in the |wrong ti|
|000029a0| 6d 65 20 7a 6f 6e 65 2e | 20 20 53 69 6e 63 65 20 |me zone.|  Since |
|000029b0| 4c 2e 73 79 73 20 68 61 | 73 20 72 65 73 74 72 69 |L.sys ha|s restri|
|000029c0| 63 74 69 6f 6e 73 0a 6f | 6e 20 74 68 65 20 74 69 |ctions.o|n the ti|
|000029d0| 6d 65 73 20 69 74 20 63 | 61 6e 20 64 69 61 6c 20 |mes it c|an dial |
|000029e0| 6f 75 74 2c 20 62 65 69 | 6e 67 20 69 6e 20 74 68 |out, bei|ng in th|
|000029f0| 65 20 77 72 6f 6e 67 20 | 74 69 6d 65 20 7a 6f 6e |e wrong |time zon|
|00002a00| 65 20 63 61 6e 20 63 61 | 75 73 65 20 63 61 6c 6c |e can ca|use call|
|00002a10| 73 0a 74 6f 20 62 65 20 | 70 6c 61 63 65 64 20 64 |s.to be |placed d|
|00002a20| 75 72 69 6e 67 20 74 68 | 65 20 64 61 79 2c 20 65 |uring th|e day, e|
|00002a30| 76 65 6e 20 69 66 20 74 | 68 69 73 20 69 73 20 73 |ven if t|his is s|
|00002a40| 75 70 70 6f 73 65 64 6c | 79 20 66 6f 72 62 69 64 |upposedl|y forbid|
|00002a50| 64 65 6e 20 69 6e 20 4c | 2e 73 79 73 2e 0a 41 6c |den in L|.sys..Al|
|00002a60| 73 6f 2c 20 6f 66 20 63 | 6f 75 72 73 65 2c 20 74 |so, of c|ourse, t|
|00002a70| 68 69 6e 67 73 20 6c 69 | 6b 65 20 22 64 61 74 65 |hings li|ke "date|
|00002a80| 20 3e 20 2f 64 65 76 2f | 63 6f 6e 73 6f 6c 65 22 | > /dev/|console"|
|00002a90| 20 65 76 65 72 79 20 68 | 6f 75 72 20 66 72 6f 6d | every h|our from|
|00002aa0| 20 63 72 6f 6e 74 61 62 | 0a 77 69 6c 6c 20 68 61 | crontab|.will ha|
|00002ab0| 76 65 20 70 72 6f 62 6c | 65 6d 73 2e 0a 0a 49 74 |ve probl|ems...It|
|00002ac0| 20 74 75 72 6e 73 20 6f | 75 74 20 74 68 61 74 20 | turns o|ut that |
|00002ad0| 53 79 73 74 65 6d 20 49 | 49 49 20 68 61 73 20 61 |System I|II has a|
|00002ae0| 20 22 64 65 66 61 75 6c | 74 20 74 69 6d 65 20 7a | "defaul|t time z|
|00002af0| 6f 6e 65 22 20 77 68 69 | 63 68 20 69 73 20 75 73 |one" whi|ch is us|
|00002b00| 65 64 20 62 79 0a 6c 6f | 63 61 6c 74 69 6d 65 20 |ed by.lo|caltime |
|00002b10| 69 66 20 74 68 65 72 65 | 20 69 73 20 6e 6f 20 54 |if there| is no T|
|00002b20| 5a 20 76 61 72 69 61 62 | 6c 65 2e 20 20 4f 6e 20 |Z variab|le.  On |
|00002b30| 65 76 65 72 79 20 76 65 | 72 73 69 6f 6e 20 6f 66 |every ve|rsion of|
|00002b40| 20 53 79 73 74 65 6d 20 | 49 49 49 20 6f 72 0a 56 | System |III or.V|
|00002b50| 20 49 27 76 65 20 65 76 | 65 72 20 75 73 65 64 2c | I've ev|er used,|
|00002b60| 20 74 68 69 73 20 69 73 | 20 73 65 74 20 74 6f 20 | this is| set to |
|00002b70| 74 68 65 20 74 69 6d 65 | 20 7a 6f 6e 65 20 6f 66 |the time| zone of|
|00002b80| 20 74 68 65 20 64 65 76 | 65 6c 6f 70 65 72 2e 20 | the dev|eloper. |
|00002b90| 20 49 74 27 73 0a 45 53 | 54 20 69 6e 20 74 68 65 | It's.ES|T in the|
|00002ba0| 20 74 72 61 64 69 74 69 | 6f 6e 61 6c 20 76 65 72 | traditi|onal ver|
|00002bb0| 73 69 6f 6e 73 20 66 72 | 6f 6d 20 41 54 26 54 2e |sions fr|om AT&T.|
|00002bc0| 20 20 49 74 27 73 20 50 | 53 54 20 69 6e 20 58 65 |  It's P|ST in Xe|
|00002bd0| 6e 69 78 2e 20 20 53 6f | 20 74 68 65 0a 64 65 76 |nix.  So| the.dev|
|00002be0| 65 6c 6f 70 65 72 73 20 | 6f 66 20 74 68 65 20 73 |elopers |of the s|
|00002bf0| 79 73 74 65 6d 20 6e 65 | 76 65 72 20 73 65 65 20 |ystem ne|ver see |
|00002c00| 61 6e 79 20 70 72 6f 62 | 6c 65 6d 73 20 2d 20 75 |any prob|lems - u|
|00002c10| 75 63 70 20 6c 6f 67 73 | 20 61 72 65 20 72 69 67 |ucp logs| are rig|
|00002c20| 68 74 2c 0a 66 6f 72 20 | 65 78 61 6d 70 6c 65 2c |ht,.for |example,|
|00002c30| 20 61 6e 64 20 63 73 68 | 20 75 73 65 72 73 20 73 | and csh| users s|
|00002c40| 74 69 6c 6c 20 67 65 74 | 20 74 68 65 20 72 69 67 |till get| the rig|
|00002c50| 68 74 20 74 69 6d 65 2e | 20 20 55 6e 74 69 6c 20 |ht time.|  Until |
|00002c60| 74 68 65 79 20 73 68 69 | 70 0a 74 68 65 20 73 79 |they shi|p.the sy|
|00002c70| 73 74 65 6d 20 6f 75 74 | 20 6f 66 20 74 68 65 69 |stem out| of thei|
|00002c80| 72 20 74 69 6d 65 20 7a | 6f 6e 65 2e 0a 0a 54 68 |r time z|one...Th|
|00002c90| 69 73 20 70 72 6f 62 6c | 65 6d 20 69 73 6e 27 74 |is probl|em isn't|
|00002ca0| 20 72 65 61 6c 6c 79 20 | 74 68 61 74 20 68 61 72 | really |that har|
|00002cb0| 64 20 74 6f 20 66 69 78 | 2e 20 20 59 6f 75 20 6a |d to fix|.  You j|
|00002cc0| 75 73 74 20 68 61 76 65 | 20 69 6e 69 74 20 6f 70 |ust have| init op|
|00002cd0| 65 6e 0a 61 20 63 6f 6e | 66 69 67 75 72 61 74 69 |en.a con|figurati|
|00002ce0| 6f 6e 20 66 69 6c 65 20 | 77 68 65 6e 20 69 74 20 |on file |when it |
|00002cf0| 73 74 61 72 74 73 20 75 | 70 2c 20 61 6e 64 20 73 |starts u|p, and s|
|00002d00| 65 74 20 69 74 73 20 6f | 77 6e 20 65 6e 76 69 72 |et its o|wn envir|
|00002d10| 6f 6e 6d 65 6e 74 0a 66 | 72 6f 6d 20 74 68 65 72 |onment.f|rom ther|
|00002d20| 65 2e 20 20 28 49 66 20 | 79 6f 75 27 72 65 20 77 |e.  (If |you're w|
|00002d30| 69 6c 6c 69 6e 67 20 74 | 6f 20 68 61 76 65 20 69 |illing t|o have i|
|00002d40| 6e 69 74 20 6f 70 65 6e | 20 66 69 6c 65 73 20 74 |nit open| files t|
|00002d50| 68 61 74 20 65 61 72 6c | 79 2e 29 0a 0a 42 75 74 |hat earl|y.)..But|
|00002d60| 20 69 74 20 74 75 72 6e | 73 20 6f 75 74 20 74 68 | it turn|s out th|
|00002d70| 65 72 65 20 69 73 20 61 | 6e 20 65 76 65 6e 20 6d |ere is a|n even m|
|00002d80| 6f 72 65 20 73 65 72 69 | 6f 75 73 20 70 72 6f 62 |ore seri|ous prob|
|00002d90| 6c 65 6d 20 77 69 74 68 | 20 74 68 65 20 54 5a 0a |lem with| the TZ.|
|00002da0| 65 6e 76 69 72 6f 6e 6d | 65 6e 74 20 76 61 72 69 |environm|ent vari|
|00002db0| 61 62 6c 65 20 6d 65 74 | 68 6f 64 2e 20 20 49 74 |able met|hod.  It|
|00002dc0| 27 73 20 61 20 73 65 63 | 75 72 69 74 79 20 70 72 |'s a sec|urity pr|
|00002dd0| 6f 62 6c 65 6d 2e 20 20 | 4c 65 74 27 73 20 73 61 |oblem.  |Let's sa|
|00002de0| 79 20 74 68 65 0a 73 79 | 73 74 65 6d 20 61 64 6d |y the.sy|stem adm|
|00002df0| 69 6e 69 73 74 72 61 74 | 6f 72 20 68 61 73 20 63 |inistrat|or has c|
|00002e00| 6f 6e 66 69 67 75 72 65 | 64 20 55 55 43 50 20 74 |onfigure|d UUCP t|
|00002e10| 6f 20 6f 6e 6c 79 20 63 | 61 6c 6c 20 6f 75 74 20 |o only c|all out |
|00002e20| 77 68 65 6e 20 74 68 65 | 0a 70 68 6f 6e 65 20 72 |when the|.phone r|
|00002e30| 61 74 65 73 20 61 72 65 | 20 6c 6f 77 2c 20 62 65 |ates are| low, be|
|00002e40| 63 61 75 73 65 20 74 68 | 65 20 73 69 74 65 20 69 |cause th|e site i|
|00002e50| 73 20 70 6f 6f 72 20 61 | 6e 64 20 63 61 6e 27 74 |s poor a|nd can't|
|00002e60| 20 61 66 66 6f 72 64 20 | 64 61 79 74 69 6d 65 0a | afford |daytime.|
|00002e70| 72 61 74 65 73 2c 20 6f | 72 20 74 6f 20 6b 65 65 |rates, o|r to kee|
|00002e80| 70 20 74 68 65 20 6d 61 | 63 68 69 6e 65 20 6c 6f |p the ma|chine lo|
|00002e90| 61 64 20 6c 6f 77 20 64 | 75 72 69 6e 67 20 74 68 |ad low d|uring th|
|00002ea0| 65 20 64 61 79 2e 20 20 | 42 75 74 20 73 6f 6d 65 |e day.  |But some|
|00002eb0| 20 75 73 65 72 0a 77 61 | 6e 74 73 20 74 6f 20 70 | user.wa|nts to p|
|00002ec0| 75 73 68 20 73 6f 6d 65 | 74 68 69 6e 67 20 74 68 |ush some|thing th|
|00002ed0| 72 6f 75 67 68 20 72 69 | 67 68 74 20 61 77 61 79 |rough ri|ght away|
|00002ee0| 2e 20 20 48 65 20 73 65 | 74 73 20 54 5a 20 74 6f |.  He se|ts TZ to|
|00002ef0| 20 69 6e 64 69 63 61 74 | 65 20 74 68 61 74 0a 68 | indicat|e that.h|
|00002f00| 65 27 73 20 69 6e 2c 20 | 73 61 79 2c 20 43 68 69 |e's in, |say, Chi|
|00002f10| 6e 61 2e 20 20 4e 6f 77 | 2c 20 68 65 20 73 74 61 |na.  Now|, he sta|
|00002f20| 72 74 73 20 75 70 20 61 | 20 75 75 63 69 63 6f 20 |rts up a| uucico |
|00002f30| 28 6f 72 20 61 20 63 75 | 2e 29 20 20 54 68 65 20 |(or a cu|.)  The |
|00002f40| 6c 6f 63 61 6c 74 69 6d | 65 0a 72 6f 75 74 69 6e |localtim|e.routin|
|00002f50| 65 20 62 65 6c 69 65 76 | 65 73 20 74 68 65 20 66 |e believ|es the f|
|00002f60| 6f 72 67 65 64 20 54 5a | 20 61 6e 64 20 74 68 69 |orged TZ| and thi|
|00002f70| 6e 6b 73 20 69 74 27 73 | 20 77 69 74 68 69 6e 20 |nks it's| within |
|00002f80| 74 68 65 20 61 6c 6c 6f | 77 65 64 20 74 69 6d 65 |the allo|wed time|
|00002f90| 20 7a 6f 6e 65 2c 0a 61 | 6e 64 20 61 6e 20 65 78 | zone,.a|nd an ex|
|00002fa0| 70 65 6e 73 69 76 65 20 | 70 68 6f 6e 65 20 63 61 |pensive |phone ca|
|00002fb0| 6c 6c 20 69 73 20 70 6c | 61 63 65 64 2e 20 20 54 |ll is pl|aced.  T|
|00002fc0| 68 65 20 6c 6f 67 20 77 | 69 6c 6c 20 62 65 20 6d |he log w|ill be m|
|00002fd0| 61 64 65 20 69 6e 20 74 | 68 65 20 77 72 6f 6e 67 |ade in t|he wrong|
|00002fe0| 0a 74 69 6d 65 20 7a 6f | 6e 65 20 74 6f 6f 2c 20 |.time zo|ne too, |
|00002ff0| 73 6f 20 75 6e 6c 65 73 | 73 20 74 68 65 20 53 41 |so unles|s the SA|
|00003000| 20 69 73 20 73 68 61 72 | 70 2c 20 68 65 20 77 6f | is shar|p, he wo|
|00003010| 6e 27 74 20 6e 6f 74 69 | 63 65 20 75 6e 74 69 6c |n't noti|ce until|
|00003020| 20 74 68 65 20 70 68 6f | 6e 65 0a 62 69 6c 6c 20 | the pho|ne.bill |
|00003030| 73 68 6f 77 73 20 75 70 | 2e 0a 0a 54 68 65 20 66 |shows up|...The f|
|00003040| 75 6e 64 61 6d 65 6e 74 | 61 6c 20 64 69 66 66 65 |undament|al diffe|
|00003050| 72 65 6e 63 65 20 62 65 | 74 77 65 65 6e 20 74 68 |rence be|tween th|
|00003060| 65 20 74 77 6f 20 61 70 | 70 72 6f 61 63 68 65 73 |e two ap|proaches|
|00003070| 20 69 73 20 74 68 61 74 | 20 74 68 65 20 56 37 0a | is that| the V7.|
|00003080| 6d 65 74 68 6f 64 20 6d | 61 6b 65 73 20 74 68 65 |method m|akes the|
|00003090| 20 74 69 6d 65 7a 6f 6e | 65 20 61 20 70 65 72 2d | timezon|e a per-|
|000030a0| 73 79 73 74 65 6d 20 65 | 6e 74 69 74 79 2c 20 77 |system e|ntity, w|
|000030b0| 68 69 6c 65 20 74 68 65 | 20 53 79 73 20 49 49 49 |hile the| Sys III|
|000030c0| 20 6d 65 74 68 6f 64 0a | 6d 61 6b 65 73 20 74 68 | method.|makes th|
|000030d0| 65 20 74 69 6d 65 7a 6f | 6e 65 20 61 20 70 65 72 |e timezo|ne a per|
|000030e0| 2d 70 72 6f 63 65 73 73 | 20 65 6e 74 69 74 79 2e |-process| entity.|
|000030f0| 20 20 57 68 69 6c 65 20 | 61 6e 20 61 72 67 75 6d |  While |an argum|
|00003100| 65 6e 74 20 63 61 6e 20 | 62 65 20 6d 61 64 65 0a |ent can |be made.|
|00003110| 74 68 61 74 20 75 73 65 | 72 73 20 64 69 61 6c 69 |that use|rs diali|
|00003120| 6e 67 20 69 6e 20 66 72 | 6f 6d 20 6f 74 68 65 72 |ng in fr|om other|
|00003130| 20 74 69 6d 65 20 7a 6f | 6e 65 73 20 6d 69 67 68 | time zo|nes migh|
|00003140| 74 20 77 61 6e 74 20 74 | 68 65 69 72 20 70 72 6f |t want t|heir pro|
|00003150| 63 65 73 73 65 73 0a 74 | 6f 20 62 65 20 69 6e 20 |cesses.t|o be in |
|00003160| 74 68 65 69 72 20 6c 6f | 63 61 6c 20 74 69 6d 65 |their lo|cal time|
|00003170| 20 7a 6f 6e 65 2c 20 74 | 68 69 73 20 69 73 6e 27 | zone, t|his isn'|
|00003180| 74 20 61 20 76 65 72 79 | 20 73 74 72 6f 6e 67 20 |t a very| strong |
|00003190| 61 72 67 75 6d 65 6e 74 | 2e 0a 28 49 27 76 65 20 |argument|..(I've |
|000031a0| 6e 65 76 65 72 20 73 65 | 65 6e 20 61 6e 79 6f 6e |never se|en anyon|
|000031b0| 65 20 61 63 74 75 61 6c | 6c 79 20 64 6f 20 69 74 |e actual|ly do it|
|000031c0| 2e 29 20 20 5b 54 68 69 | 73 20 69 73 20 61 20 73 |.)  [Thi|s is a s|
|000031d0| 79 6d 70 74 6f 6d 20 6f | 66 20 61 20 64 69 73 65 |ymptom o|f a dise|
|000031e0| 61 73 65 0a 74 68 61 74 | 20 69 73 20 61 66 66 65 |ase.that| is affe|
|000031f0| 63 74 69 6e 67 20 55 4e | 49 58 3a 20 61 20 74 65 |cting UN|IX: a te|
|00003200| 6e 64 65 6e 63 79 20 74 | 6f 20 70 75 74 20 74 68 |ndency t|o put th|
|00003210| 69 6e 67 73 20 69 6e 20 | 74 68 65 20 65 6e 76 69 |ings in |the envi|
|00003220| 72 6f 6e 6d 65 6e 74 20 | 74 68 61 74 0a 61 72 65 |ronment |that.are|
|00003230| 20 6e 6f 74 20 70 65 72 | 2d 70 72 6f 63 65 73 73 | not per|-process|
|00003240| 2e 20 20 44 61 76 69 64 | 20 59 6f 73 74 20 70 6f |.  David| Yost po|
|00003250| 69 6e 74 65 64 20 6f 75 | 74 2c 20 66 6f 72 20 65 |inted ou|t, for e|
|00003260| 78 61 6d 70 6c 65 2c 20 | 74 68 61 74 20 54 45 52 |xample, |that TER|
|00003270| 4d 20 69 73 0a 6e 6f 74 | 20 61 20 70 65 72 2d 70 |M is.not| a per-p|
|00003280| 72 6f 63 65 73 73 20 65 | 6e 74 69 74 79 2c 20 69 |rocess e|ntity, i|
|00003290| 74 27 73 20 61 20 70 65 | 72 2d 70 6f 72 74 20 65 |t's a pe|r-port e|
|000032a0| 6e 74 69 74 79 2e 20 20 | 42 65 72 6b 65 6c 65 79 |ntity.  |Berkeley|
|000032b0| 27 73 20 56 36 20 68 61 | 64 20 61 0a 66 69 6c 65 |'s V6 ha|d a.file|
|000032c0| 20 69 6e 20 2f 65 74 63 | 20 77 69 74 68 20 70 65 | in /etc| with pe|
|000032d0| 72 2d 70 6f 72 74 20 74 | 65 72 6d 69 6e 61 6c 20 |r-port t|erminal |
|000032e0| 63 6f 64 65 73 2c 20 73 | 69 6d 69 6c 61 72 20 74 |codes, s|imilar t|
|000032f0| 6f 20 2f 65 74 63 2f 75 | 74 6d 70 2c 20 62 75 74 |o /etc/u|tmp, but|
|00003300| 0a 77 65 27 76 65 20 61 | 63 74 75 61 6c 6c 79 20 |.we've a|ctually |
|00003310| 74 61 6b 65 6e 20 61 20 | 73 74 65 70 20 62 61 63 |taken a |step bac|
|00003320| 6b 77 61 72 64 73 20 62 | 79 20 70 75 74 74 69 6e |kwards b|y puttin|
|00003330| 67 20 69 74 20 69 6e 74 | 6f 20 74 68 65 20 65 6e |g it int|o the en|
|00003340| 76 69 72 6f 6e 6d 65 6e | 74 2e 0a 54 61 6b 65 20 |vironmen|t..Take |
|00003350| 61 20 6c 6f 6f 6b 20 61 | 74 20 74 73 65 74 20 61 |a look a|t tset a|
|00003360| 6e 64 20 70 65 6f 70 6c | 65 27 73 20 2e 70 72 6f |nd peopl|e's .pro|
|00003370| 66 69 6c 65 27 73 20 61 | 6e 64 20 2e 6c 6f 67 69 |file's a|nd .logi|
|00003380| 6e 27 73 20 74 6f 20 73 | 65 65 20 74 68 65 0a 63 |n's to s|ee the.c|
|00003390| 6f 6d 70 6c 65 78 69 74 | 79 20 74 68 69 73 20 64 |omplexit|y this d|
|000033a0| 65 63 69 73 69 6f 6e 20 | 68 61 73 20 63 6f 73 74 |ecision |has cost|
|000033b0| 20 75 73 2e 5d 0a 0a 53 | 6f 20 61 6e 79 77 61 79 | us.]..S|o anyway|
|000033c0| 2c 20 73 6f 20 66 61 72 | 20 49 27 76 65 20 61 72 |, so far| I've ar|
|000033d0| 67 75 65 64 20 74 68 61 | 74 20 74 68 65 20 53 79 |gued tha|t the Sy|
|000033e0| 73 74 65 6d 20 49 49 49 | 20 6d 65 74 68 6f 64 20 |stem III| method |
|000033f0| 69 73 20 69 6e 61 64 65 | 71 75 61 74 65 2e 0a 48 |is inade|quate..H|
|00003400| 6f 77 20 61 62 6f 75 74 | 20 74 68 65 20 56 37 20 |ow about| the V7 |
|00003410| 6d 65 74 68 6f 64 3f 0a | 0a 54 68 65 20 56 37 20 |method?.|.The V7 |
|00003420| 6d 65 74 68 6f 64 20 64 | 6f 65 73 6e 27 74 20 73 |method d|oesn't s|
|00003430| 75 66 66 65 72 20 66 72 | 6f 6d 20 61 6e 79 20 6f |uffer fr|om any o|
|00003440| 66 20 74 68 65 20 77 65 | 61 6b 6e 65 73 73 65 73 |f the we|aknesses|
|00003450| 20 64 65 73 63 72 69 62 | 65 64 20 61 62 6f 76 65 | describ|ed above|
|00003460| 2e 0a 49 74 20 64 6f 65 | 73 20 72 65 71 75 69 72 |..It doe|s requir|
|00003470| 65 20 61 20 73 79 73 74 | 65 6d 20 63 61 6c 6c 20 |e a syst|em call |
|00003480| 74 6f 20 67 65 74 20 74 | 68 65 20 74 69 6d 65 20 |to get t|he time |
|00003490| 7a 6f 6e 65 2c 20 77 68 | 69 63 68 20 69 73 20 61 |zone, wh|ich is a|
|000034a0| 20 62 69 74 20 6d 6f 72 | 65 0a 6f 76 65 72 68 65 | bit mor|e.overhe|
|000034b0| 61 64 20 74 68 61 6e 20 | 61 20 67 65 74 65 6e 76 |ad than |a getenv|
|000034c0| 2c 20 61 6e 64 20 74 68 | 65 20 6b 65 72 6e 65 6c |, and th|e kernel|
|000034d0| 20 64 6f 65 73 6e 27 74 | 20 68 61 76 65 20 61 6e | doesn't| have an|
|000034e0| 79 20 62 75 73 69 6e 65 | 73 73 20 6b 6e 6f 77 69 |y busine|ss knowi|
|000034f0| 6e 67 0a 61 62 6f 75 74 | 20 74 69 6d 65 20 7a 6f |ng.about| time zo|
|00003500| 6e 65 73 2e 20 20 28 54 | 68 65 20 73 61 6d 65 20 |nes.  (T|he same |
|00003510| 61 72 67 75 6d 65 6e 74 | 20 63 6f 75 6c 64 20 62 |argument| could b|
|00003520| 65 20 6d 61 64 65 20 74 | 68 61 74 20 74 68 65 20 |e made t|hat the |
|00003530| 6b 65 72 6e 65 6c 20 64 | 6f 65 73 6e 27 74 0a 68 |kernel d|oesn't.h|
|00003540| 61 76 65 20 61 6e 79 20 | 62 75 73 69 6e 65 73 73 |ave any |business|
|00003550| 20 6b 6e 6f 77 69 6e 67 | 20 74 68 65 20 68 6f 73 | knowing| the hos|
|00003560| 74 20 6e 61 6d 65 2c 20 | 74 6f 6f 2c 20 62 75 74 |t name, |too, but|
|00003570| 20 62 6f 74 68 20 53 79 | 73 74 65 6d 20 49 49 49 | both Sy|stem III|
|00003580| 20 61 6e 64 0a 34 2e 32 | 42 53 44 20 68 61 76 65 | and.4.2|BSD have|
|00003590| 20 74 68 61 74 20 69 6e | 66 6f 72 6d 61 74 69 6f | that in|formatio|
|000035a0| 6e 20 69 6e 20 74 68 65 | 20 6b 65 72 6e 65 6c 2c |n in the| kernel,|
|000035b0| 20 61 6e 64 20 69 74 20 | 77 6f 72 6b 73 20 61 77 | and it |works aw|
|000035c0| 66 75 6c 6c 79 20 77 65 | 6c 6c 2e 29 0a 0a 54 68 |fully we|ll.)..Th|
|000035d0| 65 20 77 65 61 6b 6e 65 | 73 73 65 73 20 69 6e 20 |e weakne|sses in |
|000035e0| 74 68 65 20 56 37 2f 34 | 2e 32 42 53 44 20 6d 65 |the V7/4|.2BSD me|
|000035f0| 74 68 6f 64 20 61 72 65 | 20 69 6e 20 74 68 65 20 |thod are| in the |
|00003600| 74 69 6d 65 20 7a 6f 6e | 65 20 6e 61 6d 65 0a 28 |time zon|e name.(|
|00003610| 73 69 6e 63 65 20 69 74 | 27 73 20 63 6f 6d 70 75 |since it|'s compu|
|00003620| 74 65 64 20 66 72 6f 6d | 20 61 20 74 61 62 6c 65 |ted from| a table|
|00003630| 20 61 6e 64 20 74 68 65 | 20 6f 66 66 73 65 74 20 | and the| offset |
|00003640| 76 61 6c 75 65 29 20 61 | 6e 64 20 69 6e 20 74 68 |value) a|nd in th|
|00003650| 65 0a 72 75 6c 65 20 66 | 6f 72 20 64 65 63 69 64 |e.rule f|or decid|
|00003660| 69 6e 67 20 77 68 65 6e | 20 44 53 54 20 62 65 67 |ing when| DST beg|
|00003670| 69 6e 73 20 61 6e 64 20 | 65 6e 64 73 2e 20 20 54 |ins and |ends.  T|
|00003680| 68 65 20 73 65 63 6f 6e | 64 20 70 72 6f 62 6c 65 |he secon|d proble|
|00003690| 6d 20 69 73 0a 61 6c 73 | 6f 20 70 72 65 73 65 6e |m is.als|o presen|
|000036a0| 74 20 69 6e 20 74 68 65 | 20 53 79 73 20 49 49 49 |t in the| Sys III|
|000036b0| 20 6d 65 74 68 6f 64 2e | 0a 0a 53 75 70 70 6f 73 | method.|..Suppos|
|000036c0| 65 20 6c 6f 63 61 6c 74 | 69 6d 65 20 66 69 6e 64 |e localt|ime find|
|000036d0| 73 20 6f 75 74 20 74 68 | 61 74 20 74 68 65 20 6f |s out th|at the o|
|000036e0| 66 66 73 65 74 20 69 73 | 20 2b 36 30 2c 20 74 68 |ffset is| +60, th|
|000036f0| 61 74 20 69 73 2c 20 77 | 65 20 61 72 65 0a 6f 6e |at is, w|e are.on|
|00003700| 65 20 68 6f 75 72 20 65 | 61 73 74 20 6f 66 20 47 |e hour e|ast of G|
|00003710| 4d 54 2e 20 20 57 68 61 | 74 20 74 69 6d 65 20 7a |MT.  Wha|t time z|
|00003720| 6f 6e 65 20 6e 61 6d 65 | 20 64 6f 20 77 65 20 75 |one name| do we u|
|00003730| 73 65 3f 20 20 57 65 6c | 6c 2c 20 69 66 20 77 65 |se?  Wel|l, if we|
|00003740| 27 72 65 0a 46 72 61 6e | 63 65 2c 20 69 74 20 6d |'re.Fran|ce, it m|
|00003750| 69 67 68 74 20 62 65 20 | 4d 45 54 20 28 4d 69 64 |ight be |MET (Mid|
|00003760| 64 6c 65 20 45 75 72 6f | 70 65 61 6e 20 54 69 6d |dle Euro|pean Tim|
|00003770| 65 2e 29 20 20 49 66 20 | 77 65 27 72 65 20 69 6e |e.)  If |we're in|
|00003780| 20 47 65 72 6d 61 6e 79 | 2c 0a 69 74 20 6d 69 67 | Germany|,.it mig|
|00003790| 68 74 20 62 65 20 4d 45 | 5a 20 28 4d 69 74 74 65 |ht be ME|Z (Mitte|
|000037a0| 6e 20 45 75 72 6f 70 65 | 61 6e 20 5a 65 69 74 2e |n Europe|an Zeit.|
|000037b0| 29 20 20 49 20 70 72 6f | 62 61 62 6c 79 20 68 61 |)  I pro|bably ha|
|000037c0| 76 65 20 74 68 65 20 73 | 70 65 63 69 66 69 63 73 |ve the s|pecifics|
|000037d0| 0a 77 72 6f 6e 67 20 28 | 49 20 64 6f 75 62 74 20 |.wrong (|I doubt |
|000037e0| 74 68 61 74 20 74 68 65 | 20 46 72 65 6e 63 68 20 |that the| French |
|000037f0| 74 65 6c 6c 20 74 69 6d | 65 20 69 6e 20 45 6e 67 |tell tim|e in Eng|
|00003800| 6c 69 73 68 29 20 62 75 | 74 20 79 6f 75 20 67 65 |lish) bu|t you ge|
|00003810| 74 20 74 68 65 0a 69 64 | 65 61 2e 20 20 41 6e 20 |t the.id|ea.  An |
|00003820| 6f 66 66 73 65 74 20 6a | 75 73 74 20 73 70 65 63 |offset j|ust spec|
|00003830| 69 66 69 65 73 20 31 2f | 32 34 20 6f 66 20 74 68 |ifies 1/|24 of th|
|00003840| 65 20 77 6f 72 6c 64 2c | 20 61 6e 64 20 6d 6f 76 |e world,| and mov|
|00003850| 69 6e 67 20 6e 6f 72 74 | 68 2f 73 6f 75 74 68 0a |ing nort|h/south.|
|00003860| 61 6c 6f 6e 67 20 74 68 | 61 74 20 7a 6f 6e 65 20 |along th|at zone |
|00003870| 79 6f 75 20 63 61 6e 20 | 67 65 74 20 61 20 6c 6f |you can |get a lo|
|00003880| 74 20 6f 66 20 63 6f 75 | 6e 74 72 69 65 73 2c 20 |t of cou|ntries, |
|00003890| 65 61 63 68 20 77 69 74 | 68 20 77 69 64 65 6c 79 |each wit|h widely|
|000038a0| 20 76 61 72 79 69 6e 67 | 0a 6c 61 6e 67 75 61 67 | varying|.languag|
|000038b0| 65 73 20 61 6e 64 20 74 | 69 6d 65 20 7a 6f 6e 65 |es and t|ime zone|
|000038c0| 20 6e 61 6d 65 73 2e 20 | 20 45 76 65 6e 20 41 6c | names. | Even Al|
|000038d0| 61 73 6b 61 2f 48 61 77 | 61 69 69 20 68 61 64 20 |aska/Haw|aii had |
|000038e0| 74 72 6f 75 62 6c 65 20 | 73 68 61 72 69 6e 67 0a |trouble |sharing.|
|000038f0| 61 20 74 69 6d 65 20 7a | 6f 6e 65 2e 20 20 28 54 |a time z|one.  (T|
|00003900| 68 65 20 6d 61 70 70 69 | 6e 67 20 69 6e 20 74 68 |he mappi|ng in th|
|00003910| 65 20 6f 74 68 65 72 20 | 64 69 72 65 63 74 69 6f |e other |directio|
|00003920| 6e 20 69 73 20 61 6d 62 | 69 67 75 6f 75 73 20 74 |n is amb|iguous t|
|00003930| 6f 6f 2c 20 74 68 65 72 | 65 0a 68 61 73 20 62 65 |oo, ther|e.has be|
|00003940| 65 6e 20 6c 6f 74 73 20 | 6f 66 20 61 6d 75 73 65 |en lots |of amuse|
|00003950| 6d 65 6e 74 20 61 6e 64 | 20 66 72 75 73 74 72 61 |ment and| frustra|
|00003960| 74 69 6f 6e 20 66 72 6f | 6d 20 63 6f 64 65 20 74 |tion fro|m code t|
|00003970| 68 61 74 20 74 68 6f 75 | 67 68 74 20 42 53 54 20 |hat thou|ght BST |
|00003980| 77 61 73 0a 42 65 72 69 | 6e 67 20 53 74 61 6e 64 |was.Beri|ng Stand|
|00003990| 61 72 64 20 54 69 6d 65 | 2c 20 77 68 65 6e 20 72 |ard Time|, when r|
|000039a0| 75 6e 20 69 6e 20 45 6e | 67 6c 61 6e 64 20 69 6e |un in En|gland in|
|000039b0| 20 4a 75 6c 79 20 61 6e | 64 20 66 65 64 20 74 68 | July an|d fed th|
|000039c0| 65 20 6c 6f 63 61 6c 0a | 61 62 62 72 65 76 69 61 |e local.|abbrevia|
|000039d0| 74 69 6f 6e 20 66 6f 72 | 20 42 72 69 74 69 73 68 |tion for| British|
|000039e0| 20 53 75 6d 6d 65 72 20 | 54 69 6d 65 2e 20 20 54 | Summer |Time.  T|
|000039f0| 68 69 73 20 69 73 20 77 | 68 79 20 65 6c 65 63 74 |his is w|hy elect|
|00003a00| 72 6f 6e 69 63 20 6d 61 | 69 6c 20 61 6e 64 0a 6e |ronic ma|il and.n|
|00003a10| 65 77 73 20 73 74 61 6e | 64 61 72 64 73 20 63 75 |ews stan|dards cu|
|00003a20| 72 72 65 6e 74 6c 79 20 | 72 65 63 6f 6d 6d 65 6e |rrently |recommen|
|00003a30| 64 20 74 68 61 74 20 6d | 65 73 73 61 67 65 73 20 |d that m|essages |
|00003a40| 62 65 20 73 74 61 6d 70 | 65 64 20 69 6e 20 55 54 |be stamp|ed in UT|
|00003a50| 43 2e 0a 4f 72 20 69 73 | 20 74 68 61 74 20 55 54 |C..Or is| that UT|
|00003a60| 3f 20 20 4f 72 20 47 4d | 54 3f 20 20 49 63 6b 2e |?  Or GM|T?  Ick.|
|00003a70| 29 20 20 53 6f 20 66 61 | 72 20 77 65 27 76 65 20 |)  So fa|r we've |
|00003a80| 73 75 72 76 69 76 65 64 | 20 62 65 63 61 75 73 65 |survived| because|
|00003a90| 20 74 68 65 72 65 20 74 | 65 6e 64 73 0a 74 6f 20 | there t|ends.to |
|00003aa0| 62 65 20 61 20 64 6f 6d | 69 6e 61 6e 74 20 74 69 |be a dom|inant ti|
|00003ab0| 6d 65 20 7a 6f 6e 65 20 | 6e 61 6d 65 20 69 6e 20 |me zone |name in |
|00003ac0| 65 61 63 68 20 7a 6f 6e | 65 20 77 68 65 72 65 20 |each zon|e where |
|00003ad0| 55 4e 49 58 20 68 61 73 | 20 61 70 70 65 61 72 65 |UNIX has| appeare|
|00003ae0| 64 2c 20 61 6e 64 0a 73 | 6f 75 72 63 65 20 68 61 |d, and.s|ource ha|
|00003af0| 73 20 62 65 65 6e 20 70 | 72 65 73 65 6e 74 20 66 |s been p|resent f|
|00003b00| 6f 72 20 74 68 65 20 70 | 6c 61 63 65 73 20 74 68 |or the p|laces th|
|00003b10| 61 74 20 68 61 76 65 20 | 74 6f 20 63 68 61 6e 67 |at have |to chang|
|00003b20| 65 20 69 74 2e 20 20 42 | 75 74 20 61 73 20 55 4e |e it.  B|ut as UN|
|00003b30| 49 58 0a 62 65 63 6f 6d | 65 73 20 6d 6f 72 65 20 |IX.becom|es more |
|00003b40| 70 6f 70 75 6c 61 72 20 | 69 6e 20 70 6c 61 63 65 |popular |in place|
|00003b50| 73 20 6c 69 6b 65 20 41 | 66 72 69 63 61 2c 20 45 |s like A|frica, E|
|00003b60| 61 73 74 65 72 6e 20 45 | 75 72 6f 70 65 2c 20 61 |astern E|urope, a|
|00003b70| 6e 64 20 41 73 69 61 2c | 20 74 68 69 73 0a 77 69 |nd Asia,| this.wi|
|00003b80| 6c 6c 20 67 65 74 20 61 | 20 6c 6f 74 20 6d 65 73 |ll get a| lot mes|
|00003b90| 73 69 65 72 2c 20 65 73 | 70 65 63 69 61 6c 6c 79 |sier, es|pecially|
|00003ba0| 20 77 69 74 68 20 62 69 | 6e 61 72 79 20 6c 69 63 | with bi|nary lic|
|00003bb0| 65 6e 73 65 73 2e 0a 0a | 54 68 65 20 64 65 63 69 |enses...|The deci|
|00003bc0| 73 69 6f 6e 20 61 62 6f | 75 74 20 77 68 65 6e 20 |sion abo|ut when |
|00003bd0| 64 61 79 6c 69 67 68 74 | 20 74 69 6d 65 20 62 65 |daylight| time be|
|00003be0| 67 69 6e 73 20 61 6e 64 | 20 65 6e 64 73 20 69 73 |gins and| ends is|
|00003bf0| 20 6d 6f 72 65 20 69 6e | 74 65 72 65 73 74 69 6e | more in|terestin|
|00003c00| 67 2e 0a 49 66 20 79 6f | 75 20 72 65 61 64 20 74 |g..If yo|u read t|
|00003c10| 68 65 20 6d 61 6e 75 61 | 6c 20 70 61 67 65 20 6f |he manua|l page o|
|00003c20| 72 20 74 68 65 20 63 6f | 64 65 2c 20 79 6f 75 27 |r the co|de, you'|
|00003c30| 6c 6c 20 64 69 73 63 6f | 76 65 72 20 74 68 61 74 |ll disco|ver that|
|00003c40| 20 6c 6f 63 61 6c 74 69 | 6d 65 0a 6b 6e 6f 77 73 | localti|me.knows|
|00003c50| 20 72 75 6c 65 73 20 6c | 69 6b 65 20 22 74 68 65 | rules l|ike "the|
|00003c60| 20 33 72 64 20 53 75 6e | 64 61 79 20 69 6e 20 4f | 3rd Sun|day in O|
|00003c70| 63 74 6f 62 65 72 22 20 | 61 6e 64 20 68 61 73 20 |ctober" |and has |
|00003c80| 61 20 74 61 62 6c 65 20 | 77 69 74 68 20 73 70 65 |a table |with spe|
|00003c90| 63 69 61 6c 0a 68 61 63 | 6b 73 20 66 6f 72 20 31 |cial.hac|ks for 1|
|00003ca0| 39 37 34 20 61 6e 64 20 | 31 39 37 35 2c 20 77 68 |974 and |1975, wh|
|00003cb0| 65 6e 20 74 68 65 20 55 | 53 20 43 6f 6e 67 72 65 |en the U|S Congre|
|00003cc0| 73 73 20 64 65 63 69 64 | 65 64 20 74 6f 20 63 68 |ss decid|ed to ch|
|00003cd0| 61 6e 67 65 20 74 68 69 | 6e 67 73 2e 0a 54 68 69 |ange thi|ngs..Thi|
|00003ce0| 73 20 74 61 62 6c 65 20 | 22 63 61 6e 20 62 65 20 |s table |"can be |
|00003cf0| 65 78 74 65 6e 64 65 64 | 20 69 66 20 6e 65 63 65 |extended| if nece|
|00003d00| 73 73 61 72 79 22 2e 20 | 20 4f 66 20 63 6f 75 72 |ssary". | Of cour|
|00003d10| 73 65 2c 20 65 78 74 65 | 6e 64 69 6e 67 20 74 68 |se, exte|nding th|
|00003d20| 65 20 74 61 62 6c 65 0a | 6d 65 61 6e 73 20 6d 6f |e table.|means mo|
|00003d30| 64 69 66 79 69 6e 67 20 | 74 68 65 20 73 6f 75 72 |difying |the sour|
|00003d40| 63 65 20 61 6e 64 20 72 | 65 63 6f 6d 70 69 6c 69 |ce and r|ecompili|
|00003d50| 6e 67 20 74 68 65 20 77 | 6f 72 6c 64 2e 20 20 4d |ng the w|orld.  M|
|00003d60| 69 67 68 74 20 62 65 20 | 68 61 72 64 20 6f 6e 0a |ight be |hard on.|
|00003d70| 61 6c 6c 20 74 68 6f 73 | 65 20 62 69 6e 61 72 79 |all thos|e binary|
|00003d80| 20 73 79 73 74 65 6d 73 | 2c 20 65 73 70 65 63 69 | systems|, especi|
|00003d90| 61 6c 6c 79 20 74 68 65 | 20 6f 6e 65 73 20 77 69 |ally the| ones wi|
|00003da0| 74 68 6f 75 74 20 61 20 | 70 72 6f 67 72 61 6d 6d |thout a |programm|
|00003db0| 65 72 20 6f 6e 20 73 74 | 61 66 66 2e 0a 54 68 69 |er on st|aff..Thi|
|00003dc0| 73 20 68 61 73 6e 27 74 | 20 62 65 65 6e 20 61 20 |s hasn't| been a |
|00003dd0| 70 72 6f 62 6c 65 6d 20 | 79 65 74 2c 20 62 75 74 |problem |yet, but|
|00003de0| 20 6e 6f 77 20 43 6f 6e | 67 72 65 73 73 20 69 73 | now Con|gress is|
|00003df0| 20 6d 61 6b 69 6e 67 20 | 6e 6f 69 73 65 73 20 61 | making |noises a|
|00003e00| 62 6f 75 74 0a 6d 6f 76 | 69 6e 67 20 74 68 65 20 |bout.mov|ing the |
|00003e10| 64 61 74 65 73 20 61 72 | 6f 75 6e 64 20 61 20 62 |dates ar|ound a b|
|00003e20| 69 74 2e 20 20 49 74 27 | 73 20 61 20 63 6f 6e 74 |it.  It'|s a cont|
|00003e30| 72 6f 76 65 72 73 69 61 | 6c 20 70 72 6f 70 6f 73 |roversia|l propos|
|00003e40| 61 6c 2c 20 61 6e 64 20 | 49 20 77 6f 75 6c 64 6e |al, and |I wouldn|
|00003e50| 27 74 0a 62 65 20 73 75 | 72 70 72 69 73 65 64 20 |'t.be su|rprised |
|00003e60| 69 66 20 74 68 65 79 20 | 74 72 79 20 74 77 6f 20 |if they |try two |
|00003e70| 6f 72 20 74 68 72 65 65 | 20 72 75 6c 65 73 20 62 |or three| rules b|
|00003e80| 65 66 6f 72 65 20 74 68 | 65 20 70 69 63 6b 20 6f |efore th|e pick o|
|00003e90| 6e 65 20 74 68 65 79 20 | 6c 69 6b 65 2e 0a 47 69 |ne they |like..Gi|
|00003ea0| 76 65 6e 20 61 6c 6c 20 | 74 68 65 20 6f 6c 64 20 |ven all |the old |
|00003eb0| 72 65 6c 65 61 73 65 73 | 20 73 74 69 6c 6c 20 6f |releases| still o|
|00003ec0| 75 74 20 74 68 65 72 65 | 2c 20 61 6e 64 20 74 68 |ut there|, and th|
|00003ed0| 65 20 64 65 76 65 6c 6f | 70 6d 65 6e 74 20 74 69 |e develo|pment ti|
|00003ee0| 6d 65 20 66 6f 72 0a 61 | 20 6e 65 77 20 72 65 6c |me for.a| new rel|
|00003ef0| 65 61 73 65 2c 20 77 65 | 20 6e 65 65 64 20 61 62 |ease, we| need ab|
|00003f00| 6f 75 74 20 61 20 32 20 | 79 65 61 72 20 77 61 72 |out a 2 |year war|
|00003f10| 6e 69 6e 67 20 6f 66 20 | 73 75 63 68 20 61 6e 20 |ning of |such an |
|00003f20| 69 6d 70 65 6e 64 69 6e | 67 20 63 68 61 6e 67 65 |impendin|g change|
|00003f30| 2e 0a 57 65 27 6c 6c 20 | 62 65 20 6c 75 63 6b 79 |..We'll |be lucky|
|00003f40| 20 74 6f 20 67 65 74 20 | 36 20 6d 6f 6e 74 68 73 | to get |6 months|
|00003f50| 2e 0a 0a 53 6f 20 77 68 | 61 74 20 64 6f 20 77 65 |...So wh|at do we|
|00003f60| 20 64 6f 20 61 62 6f 75 | 74 20 61 6c 6c 20 74 68 | do abou|t all th|
|00003f70| 69 73 3f 20 20 57 65 6c | 6c 2c 20 49 20 74 68 69 |is?  Wel|l, I thi|
|00003f80| 6e 6b 20 74 68 65 20 62 | 61 73 69 63 20 72 65 71 |nk the b|asic req|
|00003f90| 75 69 72 65 6d 65 6e 74 | 73 20 61 72 65 0a 74 68 |uirement|s are.th|
|00003fa0| 61 74 0a 0a 20 28 31 29 | 20 54 68 65 20 74 69 6d |at.. (1)| The tim|
|00003fb0| 65 20 7a 6f 6e 65 20 73 | 68 6f 75 6c 64 20 62 65 |e zone s|hould be|
|00003fc0| 20 61 20 70 65 72 2d 73 | 79 73 74 65 6d 20 65 6e | a per-s|ystem en|
|00003fd0| 74 69 74 79 2e 20 20 54 | 68 65 72 65 20 73 68 6f |tity.  T|here sho|
|00003fe0| 75 6c 64 20 6f 6e 6c 79 | 20 62 65 0a 20 20 20 20 |uld only| be.    |
|00003ff0| 20 6f 6e 65 20 70 6c 61 | 63 65 20 6f 6e 20 65 61 | one pla|ce on ea|
|00004000| 63 68 20 73 79 73 74 65 | 6d 20 77 68 65 72 65 20 |ch syste|m where |
|00004010| 74 68 65 20 7a 6f 6e 65 | 20 69 73 20 73 70 65 63 |the zone| is spec|
|00004020| 69 66 69 65 64 20 74 6f | 20 65 6e 73 75 72 65 20 |ified to| ensure |
|00004030| 74 68 61 74 0a 20 20 20 | 20 20 61 6c 6c 20 70 72 |that.   |  all pr|
|00004040| 6f 67 72 61 6d 73 20 6f | 6e 20 74 68 65 20 73 79 |ograms o|n the sy|
|00004050| 73 74 65 6d 20 75 73 65 | 20 74 68 65 20 73 61 6d |stem use| the sam|
|00004060| 65 20 6e 6f 74 69 6f 6e | 20 6f 66 20 74 69 6d 65 |e notion| of time|
|00004070| 20 7a 6f 6e 65 2e 0a 0a | 20 28 32 29 20 54 68 65 | zone...| (2) The|
|00004080| 20 74 69 6d 65 20 7a 6f | 6e 65 20 6f 66 66 73 65 | time zo|ne offse|
|00004090| 74 2c 20 6e 61 6d 65 73 | 2c 20 61 6e 64 20 64 61 |t, names|, and da|
|000040a0| 79 6c 69 67 68 74 20 63 | 6f 6e 76 65 6e 74 69 6f |ylight c|onventio|
|000040b0| 6e 73 20 73 68 6f 75 6c | 64 20 62 65 0a 20 20 20 |ns shoul|d be.   |
|000040c0| 20 20 65 61 73 69 6c 79 | 20 63 6f 6e 66 69 67 75 |  easily| configu|
|000040d0| 72 65 64 20 62 79 20 74 | 68 65 20 73 79 73 74 65 |red by t|he syste|
|000040e0| 6d 20 61 64 6d 69 6e 69 | 73 74 72 61 74 6f 72 2e |m admini|strator.|
|000040f0| 20 20 57 65 20 73 68 6f | 75 6c 64 20 68 61 76 65 |  We sho|uld have|
|00004100| 20 61 0a 20 20 20 20 20 | 73 74 61 6e 64 61 72 64 | a.     |standard|
|00004110| 20 74 68 61 74 20 61 6c | 6c 6f 77 73 20 7a 6f 6e | that al|lows zon|
|00004120| 65 20 6f 66 66 73 65 74 | 73 20 69 6e 20 6d 69 6e |e offset|s in min|
|00004130| 75 74 65 73 20 28 6d 61 | 79 62 65 20 65 76 65 6e |utes (ma|ybe even|
|00004140| 20 73 65 63 6f 6e 64 73 | 2c 0a 20 20 20 20 20 49 | seconds|,.     I|
|00004150| 20 64 6f 6e 27 74 20 6b | 6e 6f 77 20 68 6f 77 20 | don't k|now how |
|00004160| 70 72 65 63 69 73 65 20 | 53 61 75 64 69 20 41 72 |precise |Saudi Ar|
|00004170| 61 62 69 61 20 6e 65 65 | 64 73 29 2c 20 7a 6f 6e |abia nee|ds), zon|
|00004180| 65 20 6e 61 6d 65 73 20 | 6f 66 20 61 72 62 69 74 |e names |of arbit|
|00004190| 72 61 72 79 0a 20 20 20 | 20 20 6c 65 6e 67 74 68 |rary.   |  length|
|000041a0| 20 28 74 68 65 79 20 61 | 72 65 20 37 20 63 68 61 | (they a|re 7 cha|
|000041b0| 72 61 63 74 65 72 73 20 | 69 6e 20 41 75 73 74 72 |racters |in Austr|
|000041c0| 61 6c 69 61 2c 20 66 6f | 72 20 65 78 61 6d 70 6c |alia, fo|r exampl|
|000041d0| 65 29 2c 20 77 68 65 74 | 68 65 72 0a 20 20 20 20 |e), whet|her.    |
|000041e0| 20 77 65 20 75 73 65 20 | 64 61 79 6c 69 67 68 74 | we use |daylight|
|000041f0| 20 74 69 6d 65 20 61 74 | 20 61 6c 6c 2c 20 77 68 | time at| all, wh|
|00004200| 65 6e 20 64 61 79 6c 69 | 67 68 74 20 74 69 6d 65 |en dayli|ght time|
|00004210| 20 62 65 67 69 6e 73 2c | 20 61 6e 64 20 77 68 65 | begins,| and whe|
|00004220| 6e 20 69 74 20 65 6e 64 | 73 2e 0a 20 20 20 20 20 |n it end|s..     |
|00004230| 54 68 65 20 6c 61 74 74 | 65 72 20 74 77 6f 20 6d |The latt|er two m|
|00004240| 75 73 74 20 62 65 20 61 | 6c 6c 6f 77 65 64 20 74 |ust be a|llowed t|
|00004250| 6f 20 76 61 72 79 20 61 | 73 20 61 20 66 75 6e 63 |o vary a|s a func|
|00004260| 74 69 6f 6e 20 6f 66 20 | 74 68 65 20 79 65 61 72 |tion of |the year|
|00004270| 2e 0a 0a 54 68 65 20 65 | 78 61 63 74 20 6d 65 74 |...The e|xact met|
|00004280| 68 6f 64 20 66 6f 72 20 | 64 6f 69 6e 67 20 74 68 |hod for |doing th|
|00004290| 69 73 20 69 73 6e 27 74 | 20 63 6c 65 61 72 2e 20 |is isn't| clear. |
|000042a0| 20 57 65 20 63 65 72 74 | 61 69 6e 6c 79 20 6e 65 | We cert|ainly ne|
|000042b0| 65 64 20 61 20 63 6f 6e | 66 69 67 75 72 61 74 69 |ed a con|figurati|
|000042c0| 6f 6e 0a 66 69 6c 65 2e | 20 20 42 75 74 20 69 6e |on.file.|  But in|
|000042d0| 74 65 72 70 72 65 74 69 | 6e 67 20 74 68 69 73 20 |terpreti|ng this |
|000042e0| 66 69 6c 65 20 6f 6e 20 | 65 61 63 68 20 63 61 6c |file on |each cal|
|000042f0| 6c 20 74 6f 20 63 74 69 | 6d 65 20 69 73 6e 27 74 |l to cti|me isn't|
|00004300| 20 61 20 67 6f 6f 64 20 | 69 64 65 61 2e 0a 49 74 | a good |idea..It|
|00004310| 20 77 6f 75 6c 64 20 62 | 65 20 6e 69 63 65 20 74 | would b|e nice t|
|00004320| 6f 20 68 61 76 65 20 2f | 65 74 63 2f 72 63 20 6c |o have /|etc/rc l|
|00004330| 6f 6f 6b 20 61 74 20 74 | 68 65 20 73 6f 75 72 63 |ook at t|he sourc|
|00004340| 65 20 66 69 6c 65 20 61 | 6e 64 20 70 6c 75 67 20 |e file a|nd plug |
|00004350| 61 20 73 69 6d 70 6c 65 | 0a 69 6e 74 65 72 70 72 |a simple|.interpr|
|00004360| 65 74 61 74 69 6f 6e 20 | 6f 66 20 69 74 20 69 6e |etation |of it in|
|00004370| 74 6f 20 65 69 74 68 65 | 72 20 61 20 62 69 6e 61 |to eithe|r a bina|
|00004380| 72 79 20 66 69 6c 65 20 | 6f 72 20 74 68 65 20 6b |ry file |or the k|
|00004390| 65 72 6e 65 6c 2c 20 62 | 75 74 20 77 65 20 68 61 |ernel, b|ut we ha|
|000043a0| 76 65 0a 74 6f 20 77 6f | 72 72 79 20 61 62 6f 75 |ve.to wo|rry abou|
|000043b0| 74 20 77 68 61 74 20 68 | 61 70 70 65 6e 73 20 69 |t what h|appens i|
|000043c0| 66 20 74 68 65 20 73 79 | 73 74 65 6d 20 69 73 20 |f the sy|stem is |
|000043d0| 75 70 20 28 61 6e 64 20 | 70 72 6f 63 65 73 73 65 |up (and |processe|
|000043e0| 73 20 61 72 65 20 72 75 | 6e 6e 69 6e 67 29 0a 77 |s are ru|nning).w|
|000043f0| 68 65 6e 20 77 65 20 63 | 6f 6e 76 65 72 74 20 6f |hen we c|onvert o|
|00004400| 76 65 72 20 74 6f 20 6f | 72 20 66 72 6f 6d 20 64 |ver to o|r from d|
|00004410| 61 79 6c 69 67 68 74 20 | 74 69 6d 65 2e 20 20 50 |aylight |time.  P|
|00004420| 65 72 68 61 70 73 20 63 | 72 6f 6e 20 68 61 73 20 |erhaps c|ron has |
|00004430| 74 6f 20 72 75 6e 20 61 | 0a 70 72 6f 67 72 61 6d |to run a|.program|
|00004440| 20 74 6f 20 75 70 64 61 | 74 65 20 69 74 20 65 76 | to upda|te it ev|
|00004450| 65 72 79 20 68 6f 75 72 | 2e 20 20 59 6f 75 20 63 |ery hour|.  You c|
|00004460| 6f 75 6c 64 20 68 61 76 | 65 20 63 72 6f 6e 20 6f |ould hav|e cron o|
|00004470| 6e 6c 79 20 72 75 6e 20 | 74 68 69 73 20 70 72 6f |nly run |this pro|
|00004480| 67 72 61 6d 0a 74 77 69 | 63 65 20 61 20 79 65 61 |gram.twi|ce a yea|
|00004490| 72 2c 20 62 75 74 20 74 | 68 69 73 20 77 6f 75 6c |r, but t|his woul|
|000044a0| 64 20 72 65 71 75 69 72 | 65 20 70 75 74 74 69 6e |d requir|e puttin|
|000044b0| 67 20 74 68 65 20 63 6f | 6e 66 69 67 75 72 61 74 |g the co|nfigurat|
|000044c0| 69 6f 6e 20 69 6e 66 6f | 72 6d 61 74 69 6f 6e 0a |ion info|rmation.|
|000044d0| 69 6e 74 6f 20 63 72 6f | 6e 74 61 62 20 28 77 68 |into cro|ntab (wh|
|000044e0| 69 63 68 20 64 6f 65 73 | 6e 27 74 20 75 6e 64 65 |ich does|n't unde|
|000044f0| 72 73 74 61 6e 64 20 74 | 68 69 6e 67 73 20 6c 69 |rstand t|hings li|
|00004500| 6b 65 20 22 33 72 64 20 | 53 75 6e 64 61 79 20 69 |ke "3rd |Sunday i|
|00004510| 6e 20 4f 63 74 6f 62 65 | 72 22 29 0a 61 6e 64 20 |n Octobe|r").and |
|00004520| 77 6f 75 6c 64 20 6c 6f | 73 65 20 69 66 20 74 68 |would lo|se if th|
|00004530| 65 20 73 79 73 74 65 6d | 20 68 61 70 70 65 6e 65 |e system| happene|
|00004540| 64 20 74 6f 20 62 65 20 | 64 6f 77 6e 20 61 74 20 |d to be |down at |
|00004550| 63 6f 6e 76 65 72 73 69 | 6f 6e 20 74 69 6d 65 2e |conversi|on time.|
|00004560| 20 20 41 6c 73 6f 2c 0a | 74 68 65 20 61 6c 67 6f |  Also,.|the algo|
|00004570| 72 69 74 68 6d 20 68 61 | 73 20 74 6f 20 77 6f 72 |rithm ha|s to wor|
|00004580| 6b 20 66 6f 72 20 64 61 | 74 65 73 20 74 68 61 74 |k for da|tes that|
|00004590| 20 61 72 65 6e 27 74 20 | 74 68 69 73 20 79 65 61 | aren't |this yea|
|000045a0| 72 2c 20 65 2e 67 2e 20 | 22 6c 73 20 2d 6c 22 20 |r, e.g. |"ls -l" |
|000045b0| 6f 66 0a 61 6e 20 6f 6c | 64 20 66 69 6c 65 2e 0a |of.an ol|d file..|
|000045c0| 0a 48 6f 77 20 6d 75 63 | 68 20 6f 66 20 74 68 69 |.How muc|h of thi|
|000045d0| 73 20 64 6f 65 73 20 50 | 31 30 30 33 20 6e 65 65 |s does P|1003 nee|
|000045e0| 64 20 74 6f 20 73 70 65 | 63 69 66 79 3f 20 20 41 |d to spe|cify?  A|
|000045f0| 66 74 65 72 20 61 6c 6c | 2c 20 69 66 20 74 68 65 |fter all|, if the|
|00004600| 79 20 61 72 65 20 6a 75 | 73 74 0a 73 70 65 63 69 |y are ju|st.speci|
|00004610| 66 79 69 6e 67 20 73 65 | 63 74 69 6f 6e 73 20 32 |fying se|ctions 2|
|00004620| 20 61 6e 64 20 33 2c 20 | 74 68 65 6e 20 74 68 65 | and 3, |then the|
|00004630| 20 66 69 6c 65 20 66 6f | 72 6d 61 74 20 61 6e 64 | file fo|rmat and|
|00004640| 20 74 68 65 20 6d 65 74 | 68 6f 64 20 66 6f 72 20 | the met|hod for |
|00004650| 6d 61 6b 69 6e 67 0a 73 | 75 72 65 20 74 68 69 6e |making.s|ure thin|
|00004660| 67 73 20 61 72 65 20 72 | 69 67 68 74 20 73 68 6f |gs are r|ight sho|
|00004670| 75 6c 64 20 62 65 20 75 | 70 20 74 6f 20 74 68 65 |uld be u|p to the|
|00004680| 20 69 6d 70 6c 65 6d 65 | 6e 74 6f 72 2e 20 20 57 | impleme|ntor.  W|
|00004690| 65 6c 6c 2c 20 61 74 20 | 61 20 6d 69 6e 69 6d 75 |ell, at |a minimu|
|000046a0| 6d 2c 0a 77 65 20 6e 65 | 65 64 20 63 74 69 6d 65 |m,.we ne|ed ctime|
|000046b0| 20 61 6e 64 20 6c 6f 63 | 61 6c 74 69 6d 65 2e 20 | and loc|altime. |
|000046c0| 20 57 65 20 61 6c 73 6f | 20 61 20 73 74 61 6e 64 | We also| a stand|
|000046d0| 61 72 64 20 77 61 79 20 | 74 6f 20 67 65 74 20 74 |ard way |to get t|
|000046e0| 68 65 20 74 69 6d 65 20 | 7a 6f 6e 65 0a 6e 61 6d |he time |zone.nam|
|000046f0| 65 20 61 6e 64 20 6f 66 | 66 73 65 74 20 2d 20 74 |e and of|fset - t|
|00004700| 68 65 72 65 20 69 73 20 | 61 20 6c 6f 74 20 6f 66 |here is |a lot of|
|00004710| 20 69 66 64 65 66 66 65 | 64 20 63 6f 64 65 20 6f | ifdeffe|d code o|
|00004720| 75 74 20 74 68 65 72 65 | 20 74 68 61 74 20 65 69 |ut there| that ei|
|00004730| 74 68 65 72 0a 6c 6f 6f | 6b 73 20 66 6f 72 20 54 |ther.loo|ks for T|
|00004740| 5a 20 6f 72 20 63 61 6c | 6c 73 20 66 74 69 6d 65 |Z or cal|ls ftime|
|00004750| 20 2d 20 61 6e 64 20 77 | 68 65 74 68 65 72 20 64 | - and w|hether d|
|00004760| 61 79 6c 69 67 68 74 20 | 74 69 6d 65 20 61 70 70 |aylight |time app|
|00004770| 6c 69 65 73 20 28 61 6e | 64 20 62 79 0a 68 6f 77 |lies (an|d by.how|
|00004780| 20 6d 75 63 68 29 20 66 | 6f 72 20 61 20 67 69 76 | much) f|or a giv|
|00004790| 65 6e 20 74 69 6d 65 2e | 0a 0a 42 75 74 20 74 68 |en time.|..But th|
|000047a0| 65 72 65 27 73 20 6d 6f | 72 65 2e 20 20 57 68 65 |ere's mo|re.  Whe|
|000047b0| 6e 20 74 68 65 20 6d 6f | 6f 64 20 73 74 72 69 6b |n the mo|od strik|
|000047c0| 65 73 20 43 6f 6e 67 72 | 65 73 73 20 74 6f 20 63 |es Congr|ess to c|
|000047d0| 68 61 6e 67 65 20 74 68 | 65 20 72 75 6c 65 73 20 |hange th|e rules |
|000047e0| 61 6e 64 0a 67 69 76 65 | 73 20 75 73 20 32 20 6d |and.give|s us 2 m|
|000047f0| 6f 6e 74 68 73 20 6e 6f | 74 69 63 65 2c 20 69 74 |onths no|tice, it|
|00004800| 20 6f 75 67 68 74 20 74 | 6f 20 62 65 20 70 6f 73 | ought t|o be pos|
|00004810| 73 69 62 6c 65 20 74 6f | 20 70 75 62 6c 69 73 68 |sible to| publish|
|00004820| 20 61 20 6e 65 77 20 74 | 61 62 6c 65 0a 74 68 61 | a new t|able.tha|
|00004830| 74 20 65 76 65 72 79 62 | 6f 64 79 20 77 69 74 68 |t everyb|ody with|
|00004840| 20 61 20 50 31 30 30 33 | 20 73 79 73 74 65 6d 20 | a P1003| system |
|00004850| 63 61 6e 20 6a 75 73 74 | 20 74 79 70 65 20 69 6e |can just| type in|
|00004860| 2e 20 20 49 74 20 77 6f | 75 6c 64 20 62 65 20 6e |.  It wo|uld be n|
|00004870| 69 63 65 20 69 66 0a 74 | 68 65 20 6c 6f 63 61 74 |ice if.t|he locat|
|00004880| 69 6f 6e 20 61 6e 64 20 | 66 6f 72 6d 61 74 20 6f |ion and |format o|
|00004890| 66 20 74 68 69 73 20 74 | 61 62 6c 65 20 77 65 72 |f this t|able wer|
|000048a0| 65 20 73 74 61 6e 64 61 | 72 64 69 7a 65 64 2e 20 |e standa|rdized. |
|000048b0| 20 28 41 66 74 65 72 20 | 61 6c 6c 2c 20 74 68 65 | (After |all, the|
|000048c0| 0a 55 53 20 43 6f 6e 67 | 72 65 73 73 20 64 6f 65 |.US Cong|ress doe|
|000048d0| 73 6e 27 74 20 73 65 74 | 20 74 68 65 20 72 75 6c |sn't set| the rul|
|000048e0| 65 73 20 66 6f 72 20 74 | 68 65 20 72 65 73 74 20 |es for t|he rest |
|000048f0| 6f 66 20 74 68 65 20 77 | 6f 72 6c 64 2c 20 61 6e |of the w|orld, an|
|00004900| 64 20 74 68 65 79 20 61 | 72 65 0a 6a 75 73 74 20 |d they a|re.just |
|00004910| 61 73 20 73 75 62 6a 65 | 63 74 20 74 6f 20 68 61 |as subje|ct to ha|
|00004920| 76 69 6e 67 20 61 72 62 | 69 74 72 61 72 79 20 62 |ving arb|itrary b|
|00004930| 6f 64 69 65 73 20 77 69 | 74 68 20 64 69 66 66 65 |odies wi|th diffe|
|00004940| 72 65 6e 74 20 72 75 6c | 65 73 2e 29 0a 0a 46 69 |rent rul|es.)..Fi|
|00004950| 6e 61 6c 6c 79 2c 20 74 | 68 65 72 65 20 6e 65 65 |nally, t|here nee|
|00004960| 64 73 20 74 6f 20 62 65 | 20 61 20 72 65 71 75 69 |ds to be| a requi|
|00004970| 72 65 6d 65 6e 74 20 74 | 68 61 74 20 74 68 65 20 |rement t|hat the |
|00004980| 74 69 6d 65 20 7a 6f 6e | 65 20 61 6c 77 61 79 73 |time zon|e always|
|00004990| 20 77 6f 72 6b 2e 0a 53 | 6f 6d 65 20 64 69 73 63 | work..S|ome disc|
|000049a0| 75 73 73 69 6f 6e 20 6f | 66 20 74 68 65 73 65 20 |ussion o|f these |
|000049b0| 69 73 73 75 65 73 20 73 | 68 6f 75 6c 64 20 62 65 |issues s|hould be|
|000049c0| 20 70 72 65 73 65 6e 74 | 2e 20 20 4f 74 68 65 72 | present|.  Other|
|000049d0| 77 69 73 65 2c 20 73 6f | 6d 65 0a 69 6d 70 6c 65 |wise, so|me.imple|
|000049e0| 6d 65 6e 74 6f 72 20 69 | 73 20 67 6f 69 6e 67 20 |mentor i|s going |
|000049f0| 74 6f 20 74 68 69 6e 6b | 20 74 68 61 74 20 74 68 |to think| that th|
|00004a00| 65 20 53 79 73 74 65 6d | 20 49 49 49 20 6d 65 74 |e System| III met|
|00004a10| 68 6f 64 20 77 6f 72 6b | 73 20 61 64 65 71 75 61 |hod work|s adequa|
|00004a20| 74 65 6c 79 2e 0a 0a 09 | 4d 61 72 6b 20 48 6f 72 |tely....|Mark Hor|
|00004a30| 74 6f 6e 0a 0a 56 6f 6c | 75 6d 65 2d 4e 75 6d 62 |ton..Vol|ume-Numb|
|00004a40| 65 72 3a 20 56 6f 6c 75 | 6d 65 20 36 2c 20 4e 75 |er: Volu|me 6, Nu|
|00004a50| 6d 62 65 72 20 33 0a 0a | 46 72 6f 6d 20 6a 73 71 |mber 3..|From jsq|
|00004a60| 20 20 54 75 65 20 4d 61 | 72 20 32 35 20 31 35 3a |  Tue Ma|r 25 15:|
|00004a70| 33 39 3a 32 30 20 31 39 | 38 36 0a 46 72 6f 6d 3a |39:20 19|86.From:|
|00004a80| 20 73 74 64 2d 75 6e 69 | 78 25 75 74 2d 73 61 6c | std-uni|x%ut-sal|
|00004a90| 6c 79 2e 55 55 43 50 40 | 53 41 4c 4c 59 2e 55 54 |ly.UUCP@|SALLY.UT|
|00004aa0| 45 58 41 53 2e 45 44 55 | 20 28 4d 6f 64 65 72 61 |EXAS.EDU| (Modera|
|00004ab0| 74 6f 72 2c 20 4a 6f 68 | 6e 20 51 75 61 72 74 65 |tor, Joh|n Quarte|
|00004ac0| 72 6d 61 6e 29 0a 4e 65 | 77 73 67 72 6f 75 70 73 |rman).Ne|wsgroups|
|00004ad0| 3a 20 6d 6f 64 2e 73 74 | 64 2e 75 6e 69 78 0a 53 |: mod.st|d.unix.S|
|00004ae0| 75 62 6a 65 63 74 3a 20 | 52 65 3a 20 74 69 6d 65 |ubject: |Re: time|
|00004af0| 20 7a 6f 6e 65 73 0a 4d | 65 73 73 61 67 65 2d 49 | zones.M|essage-I|
|00004b00| 64 3a 20 3c 34 35 32 36 | 40 75 74 2d 73 61 6c 6c |d: <4526|@ut-sall|
|00004b10| 79 2e 55 55 43 50 3e 0a | 4f 72 67 61 6e 69 7a 61 |y.UUCP>.|Organiza|
|00004b20| 74 69 6f 6e 3a 20 49 45 | 45 45 2f 50 31 30 30 33 |tion: IE|EE/P1003|
|00004b30| 20 50 6f 72 74 61 62 6c | 65 20 4f 70 65 72 61 74 | Portabl|e Operat|
|00004b40| 69 6e 67 20 53 79 73 74 | 65 6d 20 45 6e 76 69 72 |ing Syst|em Envir|
|00004b50| 6f 6e 6d 65 6e 74 20 43 | 6f 6d 6d 69 74 74 65 65 |onment C|ommittee|
|00004b60| 0a 44 61 74 65 3a 20 32 | 35 20 4d 61 72 20 38 36 |.Date: 2|5 Mar 86|
|00004b70| 20 32 31 3a 33 39 3a 30 | 39 20 47 4d 54 0a 44 72 | 21:39:0|9 GMT.Dr|
|00004b80| 61 66 74 2d 39 3a 20 54 | 5a 0a 0a 46 72 6f 6d 3a |aft-9: T|Z..From:|
|00004b90| 20 67 77 79 6e 40 42 52 | 4c 2e 41 52 50 41 20 28 | gwyn@BR|L.ARPA (|
|00004ba0| 56 4c 44 2f 56 4d 42 29 | 0a 44 61 74 65 3a 20 20 |VLD/VMB)|.Date:  |
|00004bb0| 20 20 20 54 75 65 2c 20 | 32 35 20 4d 61 72 20 38 |   Tue, |25 Mar 8|
|00004bc0| 36 20 31 30 3a 35 37 3a | 35 32 20 45 53 54 0a 0a |6 10:57:|52 EST..|
|00004bd0| 4e 6f 74 20 61 6c 6c 20 | 75 73 65 72 73 20 6f 66 |Not all |users of|
|00004be0| 20 61 20 70 61 72 74 69 | 63 75 6c 61 72 20 73 79 | a parti|cular sy|
|00004bf0| 73 74 65 6d 20 61 72 65 | 20 6e 65 63 65 73 73 61 |stem are| necessa|
|00004c00| 72 69 6c 79 20 69 6e 20 | 74 68 65 0a 73 61 6d 65 |rily in |the.same|
|00004c10| 20 74 69 6d 65 20 7a 6f | 6e 65 2e 0a 0a 5b 20 52 | time zo|ne...[ R|
|00004c20| 69 67 68 74 2e 20 20 41 | 6e 64 20 70 61 73 74 20 |ight.  A|nd past |
|00004c30| 74 69 6d 65 73 20 62 61 | 63 6b 20 61 74 20 6c 65 |times ba|ck at le|
|00004c40| 61 73 74 20 74 6f 20 74 | 68 65 20 55 4e 49 58 20 |ast to t|he UNIX |
|00004c50| 65 70 6f 63 68 20 68 61 | 76 65 0a 74 6f 20 62 65 |epoch ha|ve.to be|
|00004c60| 20 61 63 63 6f 75 6e 74 | 65 64 20 66 6f 72 2e 20 | account|ed for. |
|00004c70| 20 54 68 65 72 65 20 61 | 72 65 20 70 6f 73 73 69 | There a|re possi|
|00004c80| 62 6c 79 20 61 20 66 65 | 77 20 6f 74 68 65 72 20 |bly a fe|w other |
|00004c90| 70 6f 69 6e 74 73 20 6f | 66 0a 74 68 61 74 20 73 |points o|f.that s|
|00004ca0| 6f 72 74 20 77 68 69 63 | 68 20 77 65 72 65 6e 27 |ort whic|h weren'|
|00004cb0| 74 20 6d 65 6e 74 69 6f | 6e 65 64 20 69 6e 20 74 |t mentio|ned in t|
|00004cc0| 68 65 20 6f 72 69 67 69 | 6e 61 6c 20 61 72 74 69 |he origi|nal arti|
|00004cd0| 63 6c 65 2e 20 20 2d 6d | 6f 64 20 5d 0a 0a 56 6f |cle.  -m|od ]..Vo|
|00004ce0| 6c 75 6d 65 2d 4e 75 6d | 62 65 72 3a 20 56 6f 6c |lume-Num|ber: Vol|
|00004cf0| 75 6d 65 20 36 2c 20 4e | 75 6d 62 65 72 20 34 0a |ume 6, N|umber 4.|
|00004d00| 0a 46 72 6f 6d 20 6a 73 | 71 20 20 54 68 75 20 4d |.From js|q  Thu M|
|00004d10| 61 72 20 32 37 20 31 37 | 3a 30 37 3a 35 31 20 31 |ar 27 17|:07:51 1|
|00004d20| 39 38 36 0a 46 72 6f 6d | 3a 20 73 74 64 2d 75 6e |986.From|: std-un|
|00004d30| 69 78 25 75 74 2d 73 61 | 6c 6c 79 2e 55 55 43 50 |ix%ut-sa|lly.UUCP|
|00004d40| 40 53 41 4c 4c 59 2e 55 | 54 45 58 41 53 2e 45 44 |@SALLY.U|TEXAS.ED|
|00004d50| 55 20 28 4d 6f 64 65 72 | 61 74 6f 72 2c 20 4a 6f |U (Moder|ator, Jo|
|00004d60| 68 6e 20 51 75 61 72 74 | 65 72 6d 61 6e 29 0a 4e |hn Quart|erman).N|
|00004d70| 65 77 73 67 72 6f 75 70 | 73 3a 20 6d 6f 64 2e 73 |ewsgroup|s: mod.s|
|00004d80| 74 64 2e 75 6e 69 78 0a | 53 75 62 6a 65 63 74 3a |td.unix.|Subject:|
|00004d90| 20 77 72 69 74 65 20 65 | 6f 66 0a 4d 65 73 73 61 | write e|of.Messa|
|00004da0| 67 65 2d 49 64 3a 20 3c | 34 35 33 39 40 75 74 2d |ge-Id: <|4539@ut-|
|00004db0| 73 61 6c 6c 79 2e 55 55 | 43 50 3e 0a 4f 72 67 61 |sally.UU|CP>.Orga|
|00004dc0| 6e 69 7a 61 74 69 6f 6e | 3a 20 49 45 45 45 2f 50 |nization|: IEEE/P|
|00004dd0| 31 30 30 33 20 50 6f 72 | 74 61 62 6c 65 20 4f 70 |1003 Por|table Op|
|00004de0| 65 72 61 74 69 6e 67 20 | 53 79 73 74 65 6d 20 45 |erating |System E|
|00004df0| 6e 76 69 72 6f 6e 6d 65 | 6e 74 20 43 6f 6d 6d 69 |nvironme|nt Commi|
|00004e00| 74 74 65 65 0a 44 61 74 | 65 3a 20 32 37 20 4d 61 |ttee.Dat|e: 27 Ma|
|00004e10| 72 20 38 36 20 32 33 3a | 30 37 3a 32 39 20 47 4d |r 86 23:|07:29 GM|
|00004e20| 54 0a 44 72 61 66 74 2d | 39 3a 20 36 2e 34 2e 32 |T.Draft-|9: 6.4.2|
|00004e30| 0a 0a 46 72 6f 6d 3a 20 | 63 63 31 40 4c 4f 43 55 |..From: |cc1@LOCU|
|00004e40| 53 2e 55 43 4c 41 2e 45 | 44 55 20 28 4d 69 63 68 |S.UCLA.E|DU (Mich|
|00004e50| 61 65 6c 20 47 65 72 73 | 74 65 6e 29 0a 44 61 74 |ael Gers|ten).Dat|
|00004e60| 65 3a 20 20 20 20 57 65 | 64 2c 20 32 36 20 4d 61 |e:    We|d, 26 Ma|
|00004e70| 72 20 38 36 20 32 32 3a | 35 34 3a 32 32 20 50 53 |r 86 22:|54:22 PS|
|00004e80| 54 0a 4f 72 67 61 6e 69 | 7a 61 74 69 6f 6e 3a 20 |T.Organi|zation: |
|00004e90| 55 63 6c 61 20 43 6f 6d | 70 75 74 65 72 20 43 6c |Ucla Com|puter Cl|
|00004ea0| 75 62 20 28 64 69 73 63 | 6c 61 69 6d 65 72 29 0a |ub (disc|laimer).|
|00004eb0| 0a 54 68 69 73 20 69 73 | 20 61 20 72 65 71 75 65 |.This is| a reque|
|00004ec0| 73 74 20 66 6f 72 20 70 | 72 6f 70 6f 73 61 6c 2e |st for p|roposal.|
|00004ed0| 0a 20 0a 4f 6e 65 20 74 | 68 69 6e 67 20 75 6e 69 |. .One t|hing uni|
|00004ee0| 78 20 52 45 41 4c 4c 59 | 20 6e 65 65 64 73 20 69 |x REALLY| needs i|
|00004ef0| 73 20 61 20 27 77 72 69 | 74 65 20 65 6f 66 27 20 |s a 'wri|te eof' |
|00004f00| 61 62 69 6c 69 74 79 2e | 0a 20 0a 49 6e 20 70 61 |ability.|. .In pa|
|00004f10| 72 74 69 63 75 6c 61 72 | 2c 20 68 6f 77 20 61 62 |rticular|, how ab|
|00004f20| 6f 75 74 0a 69 6e 74 20 | 77 72 69 74 65 65 6f 66 |out.int |writeeof|
|00004f30| 28 69 6e 74 20 66 64 29 | 3b 0a 20 0a 77 68 69 63 |(int fd)|;. .whic|
|00004f40| 68 20 74 61 6b 65 73 20 | 61 20 66 69 6c 65 20 64 |h takes |a file d|
|00004f50| 69 73 63 72 69 70 74 6f | 72 20 61 73 20 61 6e 20 |iscripto|r as an |
|00004f60| 61 72 67 75 6d 65 6e 74 | 2c 20 72 65 74 75 72 6e |argument|, return|
|00004f70| 73 20 61 6e 20 69 6e 74 | 0a 28 66 6f 72 20 74 68 |s an int|.(for th|
|00004f80| 65 20 70 75 72 70 6f 73 | 65 20 6f 66 20 73 75 63 |e purpos|e of suc|
|00004f90| 63 65 73 73 2f 66 61 69 | 6c 75 72 65 29 2c 20 61 |cess/fai|lure), a|
|00004fa0| 6e 64 20 64 6f 65 73 20 | 74 68 65 20 66 6f 6c 6c |nd does |the foll|
|00004fb0| 6f 77 69 6e 67 3a 0a 20 | 0a 4f 6e 20 61 20 70 69 |owing:. |.On a pi|
|00004fc0| 70 65 3a 20 69 6e 64 69 | 63 61 74 65 73 20 74 68 |pe: indi|cates th|
|00004fd0| 61 61 74 20 61 20 72 65 | 61 64 20 61 74 20 74 68 |aat a re|ad at th|
|00004fe0| 61 74 20 70 6f 69 6e 74 | 20 73 68 6f 75 6c 64 20 |at point| should |
|00004ff0| 72 65 74 75 72 6e 20 45 | 4f 46 0a 77 69 74 68 6f |return E|OF.witho|
|00005000| 75 74 20 61 64 76 61 6e | 63 69 6e 67 20 74 68 65 |ut advan|cing the|
|00005010| 20 72 65 61 64 20 70 6f | 69 6e 74 65 72 20 28 6f | read po|inter (o|
|00005020| 72 20 61 64 76 61 6e 63 | 69 6e 67 20 69 74 20 62 |r advanc|ing it b|
|00005030| 65 79 6f 6e 64 20 74 68 | 65 20 45 4f 46 20 6d 61 |eyond th|e EOF ma|
|00005040| 72 6b 65 72 29 2e 0a 50 | 75 72 70 6f 73 65 3a 20 |rker)..P|urpose: |
|00005050| 54 6f 20 61 6c 6c 6f 77 | 20 66 69 6c 74 65 72 20 |To allow| filter |
|00005060| 70 72 6f 67 72 61 6d 20 | 74 6f 20 66 69 6c 74 65 |program |to filte|
|00005070| 72 20 6d 6f 72 65 20 74 | 68 61 6e 20 6a 75 73 74 |r more t|han just|
|00005080| 20 61 20 73 69 6e 67 6c | 65 0a 63 6f 6d 6d 61 6e | a singl|e.comman|
|00005090| 64 20 28 65 78 3a 20 66 | 69 6c 74 65 72 20 7c 20 |d (ex: f|ilter | |
|000050a0| 63 73 68 2e 20 63 73 68 | 20 77 69 6c 6c 20 74 68 |csh. csh| will th|
|000050b0| 65 6e 20 72 75 6e 20 6f | 74 68 65 72 20 63 6f 6d |en run o|ther com|
|000050c0| 6d 61 6e 64 73 2c 20 77 | 68 6f 73 65 0a 73 74 61 |mands, w|hose.sta|
|000050d0| 6e 64 61 72 64 20 69 6e | 70 75 74 20 77 69 6c 6c |ndard in|put will|
|000050e0| 20 62 65 20 6f 75 74 70 | 75 74 20 6f 66 20 66 69 | be outp|ut of fi|
|000050f0| 6c 74 65 72 2e 20 45 4f | 46 20 63 6f 75 6c 64 20 |lter. EO|F could |
|00005100| 62 65 20 75 73 65 64 20 | 74 6f 20 74 65 72 6d 69 |be used |to termi|
|00005110| 6e 61 74 65 0a 73 75 63 | 68 20 63 6f 6d 6d 61 6e |nate.suc|h comman|
|00005120| 64 73 29 0a 0a 4f 6e 20 | 61 20 72 65 67 75 6c 61 |ds)..On |a regula|
|00005130| 72 20 66 69 6c 65 3a 20 | 49 6e 64 69 63 61 74 65 |r file: |Indicate|
|00005140| 20 74 68 61 74 20 74 68 | 65 20 66 69 6c 65 20 73 | that th|e file s|
|00005150| 68 6f 75 6c 64 20 62 65 | 20 74 72 75 6e 63 61 74 |hould be| truncat|
|00005160| 65 64 20 74 6f 20 74 68 | 69 73 0a 70 6f 69 6e 74 |ed to th|is.point|
|00005170| 2c 20 61 6e 64 20 65 78 | 63 65 73 73 20 73 70 61 |, and ex|cess spa|
|00005180| 63 65 20 66 72 65 65 64 | 20 62 79 20 74 68 65 20 |ce freed| by the |
|00005190| 73 79 73 74 65 6d 2e 0a | 50 75 72 70 6f 73 65 3a |system..|Purpose:|
|000051a0| 20 6f 62 76 69 6f 75 73 | 2e 0a 0a 4f 6e 20 61 20 | obvious|...On a |
|000051b0| 73 70 65 63 69 61 6c 20 | 66 69 6c 65 20 28 6d 61 |special |file (ma|
|000051c0| 67 20 74 61 70 65 29 3a | 20 57 72 69 74 65 20 61 |g tape):| Write a|
|000051d0| 6e 20 65 6e 64 20 6f 66 | 20 74 61 70 65 20 6d 61 |n end of| tape ma|
|000051e0| 72 6b 65 72 0a 50 75 72 | 70 6f 73 65 3a 20 6f 62 |rker.Pur|pose: ob|
|000051f0| 76 69 6f 75 73 0a 20 0a | 4f 6e 20 61 6c 6c 20 6f |vious. .|On all o|
|00005200| 74 68 65 72 20 66 69 6c | 65 73 3a 20 45 69 74 68 |ther fil|es: Eith|
|00005210| 65 72 20 69 6d 70 6c 65 | 6d 65 6e 74 61 74 69 6f |er imple|mentatio|
|00005220| 6e 20 64 65 66 69 6e 65 | 64 20 6f 72 20 72 65 74 |n define|d or ret|
|00005230| 75 72 6e 28 2d 31 29 20 | 69 66 0a 6e 6f 74 68 69 |urn(-1) |if.nothi|
|00005240| 6e 67 2e 0a 0a 0a 4e 6f | 74 65 3a 20 54 68 69 73 |ng....No|te: This|
|00005250| 20 69 73 20 6d 79 20 6f | 77 6e 20 6f 70 69 6e 69 | is my o|wn opini|
|00005260| 6f 6e 2e 20 49 74 20 69 | 73 20 6e 6f 74 20 74 68 |on. It i|s not th|
|00005270| 61 74 20 6f 66 20 74 68 | 65 20 55 43 4c 41 20 63 |at of th|e UCLA c|
|00005280| 6f 6d 70 75 74 65 72 20 | 63 6c 75 62 2c 0a 6e 6f |omputer |club,.no|
|00005290| 72 20 6f 66 20 55 43 4c | 41 20 69 6e 20 67 65 6e |r of UCL|A in gen|
|000052a0| 65 72 61 6c 2e 20 42 75 | 74 20 49 20 62 65 74 20 |eral. Bu|t I bet |
|000052b0| 74 68 65 72 65 20 61 72 | 65 20 61 20 6c 6f 74 20 |there ar|e a lot |
|000052c0| 6f 66 20 75 6e 69 78 20 | 68 61 63 6b 73 0a 6f 75 |of unix |hacks.ou|
|000052d0| 74 20 74 68 65 72 65 20 | 77 68 6f 20 6a 75 73 74 |t there |who just|
|000052e0| 20 6d 69 67 68 74 20 62 | 65 20 69 6e 74 65 72 65 | might b|e intere|
|000052f0| 73 74 65 64 20 69 6e 20 | 74 68 69 73 2e 0a 09 09 |sted in |this....|
|00005300| 09 4d 69 63 68 61 65 6c | 20 47 65 72 73 74 65 6e |.Michael| Gersten|
|00005310| 0a 2d 2d 20 0a 64 69 73 | 63 6c 61 69 6d 65 72 20 |.-- .dis|claimer |
|00005320| 7c 20 69 68 6e 70 34 21 | 75 63 6c 61 2d 63 73 21 || ihnp4!|ucla-cs!|
|00005330| 63 63 31 20 7c 20 4d 69 | 63 68 61 65 6c 20 47 65 |cc1 | Mi|chael Ge|
|00005340| 72 73 74 65 6e 20 7c 20 | 4a 6f 6b 65 3a 20 34 31 |rsten | |Joke: 41|
|00005350| 32 0a 0a 56 6f 6c 75 6d | 65 2d 4e 75 6d 62 65 72 |2..Volum|e-Number|
|00005360| 3a 20 56 6f 6c 75 6d 65 | 20 36 2c 20 4e 75 6d 62 |: Volume| 6, Numb|
|00005370| 65 72 20 35 0a 0a 46 72 | 6f 6d 20 6a 73 71 20 20 |er 5..Fr|om jsq  |
|00005380| 46 72 69 20 4d 61 72 20 | 32 38 20 31 30 3a 30 35 |Fri Mar |28 10:05|
|00005390| 3a 30 35 20 31 39 38 36 | 0a 46 72 6f 6d 3a 20 73 |:05 1986|.From: s|
|000053a0| 74 64 2d 75 6e 69 78 25 | 75 74 2d 73 61 6c 6c 79 |td-unix%|ut-sally|
|000053b0| 2e 55 55 43 50 40 53 41 | 4c 4c 59 2e 55 54 45 58 |.UUCP@SA|LLY.UTEX|
|000053c0| 41 53 2e 45 44 55 20 28 | 4d 6f 64 65 72 61 74 6f |AS.EDU (|Moderato|
|000053d0| 72 2c 20 4a 6f 68 6e 20 | 51 75 61 72 74 65 72 6d |r, John |Quarterm|
|000053e0| 61 6e 29 0a 4e 65 77 73 | 67 72 6f 75 70 73 3a 20 |an).News|groups: |
|000053f0| 6d 6f 64 2e 73 74 64 2e | 75 6e 69 78 0a 53 75 62 |mod.std.|unix.Sub|
|00005400| 6a 65 63 74 3a 20 50 31 | 30 30 33 20 70 75 62 6c |ject: P1|003 publ|
|00005410| 69 63 69 74 79 2c 20 44 | 65 6e 76 65 72 20 6d 69 |icity, D|enver mi|
|00005420| 6e 75 74 65 73 2c 20 44 | 72 61 66 74 20 37 2c 20 |nutes, D|raft 7, |
|00005430| 66 75 74 75 72 65 20 6d | 65 65 74 69 6e 67 73 0a |future m|eetings.|
|00005440| 4d 65 73 73 61 67 65 2d | 49 64 3a 20 3c 34 35 34 |Message-|Id: <454|
|00005450| 34 40 75 74 2d 73 61 6c | 6c 79 2e 55 55 43 50 3e |4@ut-sal|ly.UUCP>|
|00005460| 0a 4f 72 67 61 6e 69 7a | 61 74 69 6f 6e 3a 20 49 |.Organiz|ation: I|
|00005470| 45 45 45 2f 50 31 30 30 | 33 20 50 6f 72 74 61 62 |EEE/P100|3 Portab|
|00005480| 6c 65 20 4f 70 65 72 61 | 74 69 6e 67 20 53 79 73 |le Opera|ting Sys|
|00005490| 74 65 6d 20 45 6e 76 69 | 72 6f 6e 6d 65 6e 74 20 |tem Envi|ronment |
|000054a0| 43 6f 6d 6d 69 74 74 65 | 65 0a 44 61 74 65 3a 20 |Committe|e.Date: |
|000054b0| 32 38 20 4d 61 72 20 38 | 36 20 31 36 3a 30 34 3a |28 Mar 8|6 16:04:|
|000054c0| 35 33 20 47 4d 54 0a 44 | 72 61 66 74 2d 39 3a 20 |53 GMT.D|raft-9: |
|000054d0| 41 63 63 65 73 73 2e 53 | 74 61 6e 64 61 72 64 73 |Access.S|tandards|
|000054e0| 20 44 37 2e 41 63 63 65 | 73 73 20 50 31 30 30 33 | D7.Acce|ss P1003|
|000054f0| 2e 73 63 68 65 64 75 6c | 65 0a 0a 41 74 20 74 68 |.schedul|e..At th|
|00005500| 65 20 44 65 6e 76 65 72 | 20 6d 65 65 74 69 6e 67 |e Denver| meeting|
|00005510| 20 6f 66 20 74 68 65 20 | 50 31 30 30 33 20 77 6f | of the |P1003 wo|
|00005520| 72 6b 69 6e 67 20 67 72 | 6f 75 70 2c 20 69 74 20 |rking gr|oup, it |
|00005530| 77 61 73 20 64 65 63 69 | 64 65 64 20 74 6f 0a 70 |was deci|ded to.p|
|00005540| 75 62 6c 69 73 68 20 61 | 20 73 75 6d 6d 61 72 79 |ublish a| summary|
|00005550| 20 6f 66 20 74 68 65 20 | 6d 69 6e 75 74 65 73 20 | of the |minutes |
|00005560| 6f 66 20 65 61 63 68 20 | 6d 65 65 74 69 6e 67 20 |of each |meeting |
|00005570| 73 68 6f 72 74 6c 79 20 | 61 66 74 65 72 77 61 72 |shortly |afterwar|
|00005580| 64 73 0a 69 6e 20 6d 6f | 64 2e 73 74 64 2e 75 6e |ds.in mo|d.std.un|
|00005590| 69 78 2c 20 69 6e 20 74 | 68 65 20 55 53 45 4e 49 |ix, in t|he USENI|
|000055a0| 58 20 6e 65 77 73 6c 65 | 74 74 65 72 20 3b 6c 6f |X newsle|tter ;lo|
|000055b0| 67 69 6e 2c 20 61 6e 64 | 20 69 6e 20 55 4e 49 58 |gin, and| in UNIX|
|000055c0| 20 52 65 76 69 65 77 2c | 0a 69 66 20 70 6f 73 73 | Review,|.if poss|
|000055d0| 69 62 6c 65 2e 20 20 54 | 68 65 20 55 53 45 4e 49 |ible.  T|he USENI|
|000055e0| 58 20 62 6f 61 72 64 2c | 20 61 74 20 74 68 65 69 |X board,| at thei|
|000055f0| 72 20 4e 61 70 61 20 6d | 65 65 74 69 6e 67 20 6c |r Napa m|eeting l|
|00005600| 61 73 74 20 77 65 65 6b | 2c 0a 65 78 70 72 65 73 |ast week|,.expres|
|00005610| 73 65 64 20 73 74 72 6f | 6e 67 20 69 6e 74 65 72 |sed stro|ng inter|
|00005620| 65 73 74 20 69 6e 20 68 | 61 76 69 6e 67 20 74 68 |est in h|aving th|
|00005630| 61 74 20 69 6e 20 3b 6c | 6f 67 69 6e 20 28 74 68 |at in ;l|ogin (th|
|00005640| 65 79 27 72 65 20 61 6c | 73 6f 0a 6c 6f 6f 6b 69 |ey're al|so.looki|
|00005650| 6e 67 20 66 6f 72 20 74 | 65 63 68 6e 69 63 61 6c |ng for t|echnical|
|00005660| 20 70 61 70 65 72 73 29 | 2e 20 20 49 20 68 61 76 | papers)|.  I hav|
|00005670| 65 6e 27 74 20 61 70 70 | 72 6f 61 63 68 65 64 20 |en't app|roached |
|00005680| 55 4e 49 58 20 52 65 76 | 69 65 77 20 79 65 74 2e |UNIX Rev|iew yet.|
|00005690| 0a 0a 54 68 65 20 44 65 | 6e 76 65 72 20 6d 69 6e |..The De|nver min|
|000056a0| 75 74 65 73 20 68 61 76 | 65 20 62 65 65 6e 20 64 |utes hav|e been d|
|000056b0| 65 6c 61 79 65 64 20 64 | 75 65 20 74 6f 20 6c 6f |elayed d|ue to lo|
|000056c0| 67 69 73 74 69 63 61 6c | 20 72 65 61 73 6f 6e 73 |gistical| reasons|
|000056d0| 2c 0a 62 75 74 20 49 20 | 65 78 70 65 63 74 20 74 |,.but I |expect t|
|000056e0| 6f 20 73 65 65 20 74 68 | 65 6d 20 73 6f 6d 65 20 |o see th|em some |
|000056f0| 74 69 6d 65 20 6e 65 78 | 74 20 77 65 65 6b 20 61 |time nex|t week a|
|00005700| 6e 64 20 77 69 6c 6c 20 | 74 68 65 6e 20 77 6f 72 |nd will |then wor|
|00005710| 6b 0a 6f 6e 20 61 20 73 | 75 6d 6d 61 72 79 20 74 |k.on a s|ummary t|
|00005720| 6f 20 70 6f 73 74 2e 0a | 0a 54 68 65 20 44 65 6e |o post..|.The Den|
|00005730| 76 65 72 20 6d 65 65 74 | 69 6e 67 20 77 61 73 20 |ver meet|ing was |
|00005740| 75 73 65 64 20 74 6f 20 | 72 65 73 6f 6c 76 65 20 |used to |resolve |
|00005750| 6d 6f 73 74 20 72 65 6d | 61 69 6e 69 6e 67 20 62 |most rem|aining b|
|00005760| 61 6c 6c 6f 74 69 6e 67 | 0a 6f 62 6a 65 63 74 69 |alloting|.objecti|
|00005770| 6f 6e 73 20 74 6f 20 44 | 72 61 66 74 20 36 2e 20 |ons to D|raft 6. |
|00005780| 20 54 68 65 20 72 65 73 | 75 6c 74 20 6f 66 20 74 | The res|ult of t|
|00005790| 68 61 74 20 61 6e 64 20 | 6f 66 20 73 6f 6d 65 20 |hat and |of some |
|000057a0| 66 75 72 74 68 65 72 20 | 63 68 61 6e 67 65 73 0a |further |changes.|
|000057b0| 6d 61 64 65 20 61 66 74 | 65 72 20 63 6f 6d 6d 75 |made aft|er commu|
|000057c0| 6e 69 63 61 74 69 6f 6e | 20 77 69 74 68 20 62 61 |nication| with ba|
|000057d0| 6c 6c 6f 74 65 72 73 20 | 77 69 6c 6c 20 62 65 20 |lloters |will be |
|000057e0| 44 72 61 66 74 20 37 2c | 20 77 68 69 63 68 20 68 |Draft 7,| which h|
|000057f0| 61 73 0a 74 61 6b 65 6e | 20 6c 6f 6e 67 65 72 20 |as.taken| longer |
|00005800| 74 68 61 6e 20 65 78 70 | 65 63 74 65 64 20 74 6f |than exp|ected to|
|00005810| 20 70 72 6f 64 75 63 65 | 20 64 75 65 20 74 6f 20 | produce| due to |
|00005820| 74 68 65 20 73 68 65 65 | 72 20 76 6f 6c 75 6d 65 |the shee|r volume|
|00005830| 20 6f 66 0a 62 61 6c 6c | 6f 74 69 6e 67 20 63 6f | of.ball|oting co|
|00005840| 6d 6d 65 6e 74 73 2e 20 | 20 44 72 61 66 74 20 37 |mments. | Draft 7|
|00005850| 2c 20 77 69 74 68 20 73 | 6f 6d 65 20 6d 69 6e 6f |, with s|ome mino|
|00005860| 72 20 66 6f 72 6d 61 74 | 74 69 6e 67 20 63 68 61 |r format|ting cha|
|00005870| 6e 67 65 73 2c 0a 73 68 | 6f 75 6c 64 20 73 6f 6f |nges,.sh|ould soo|
|00005880| 6e 20 62 65 20 70 75 62 | 6c 69 73 68 65 64 20 69 |n be pub|lished i|
|00005890| 6e 20 70 61 70 65 72 20 | 66 6f 72 6d 20 62 79 20 |n paper |form by |
|000058a0| 49 45 45 45 20 61 73 20 | 74 68 65 20 54 72 69 61 |IEEE as |the Tria|
|000058b0| 6c 20 55 73 65 0a 53 74 | 61 6e 64 61 72 64 2e 20 |l Use.St|andard. |
|000058c0| 20 41 6e 20 6f 6e 2d 6c | 69 6e 65 20 63 6f 70 79 | An on-l|ine copy|
|000058d0| 20 77 68 69 63 68 20 22 | 72 65 70 72 65 73 65 6e | which "|represen|
|000058e0| 74 73 22 20 44 72 61 66 | 74 20 37 20 77 69 6c 6c |ts" Draf|t 7 will|
|000058f0| 20 6c 69 6b 65 6c 79 0a | 62 65 20 6d 61 64 65 20 | likely.|be made |
|00005900| 61 76 61 69 6c 61 62 6c | 65 20 74 68 72 6f 75 67 |availabl|e throug|
|00005910| 68 20 74 68 69 73 20 6e | 65 77 73 67 72 6f 75 70 |h this n|ewsgroup|
|00005920| 20 73 6f 6d 65 20 74 69 | 6d 65 20 6e 65 78 74 20 | some ti|me next |
|00005930| 77 65 65 6b 2e 0a 0a 54 | 68 65 72 65 20 61 72 65 |week...T|here are|
|00005940| 20 74 68 72 65 65 20 6d | 6f 72 65 20 6d 65 65 74 | three m|ore meet|
|00005950| 69 6e 67 73 20 6f 66 20 | 74 68 65 20 49 45 45 45 |ings of |the IEEE|
|00005960| 20 50 31 30 30 33 20 77 | 6f 72 6b 69 6e 67 20 67 | P1003 w|orking g|
|00005970| 72 6f 75 70 20 74 68 69 | 73 20 79 65 61 72 3a 0a |roup thi|s year:.|
|00005980| 0a 09 31 36 2d 31 38 20 | 41 70 72 69 6c 09 46 6c |..16-18 |April.Fl|
|00005990| 6f 72 65 6e 63 65 2c 20 | 49 74 61 6c 79 2c 20 74 |orence, |Italy, t|
|000059a0| 68 65 20 77 65 65 6b 20 | 62 65 66 6f 72 65 20 45 |he week |before E|
|000059b0| 55 55 47 0a 09 39 2d 31 | 31 20 4a 75 6e 65 09 41 |UUG..9-1|1 June.A|
|000059c0| 74 6c 61 6e 74 61 2c 20 | 47 65 6f 72 67 69 61 2c |tlanta, |Georgia,|
|000059d0| 20 74 68 65 20 77 65 65 | 6b 20 6f 66 20 55 53 45 | the wee|k of USE|
|000059e0| 4e 49 58 0a 09 3f 20 53 | 65 70 74 65 6d 62 65 72 |NIX..? S|eptember|
|000059f0| 09 50 61 6c 6f 20 41 6c | 74 6f 2c 20 43 61 6c 69 |.Palo Al|to, Cali|
|00005a00| 66 6f 72 6e 69 61 2c 20 | 73 74 69 6c 6c 20 74 65 |fornia, |still te|
|00005a10| 6e 74 61 74 69 76 65 0a | 0a 54 68 65 72 65 20 77 |ntative.|.There w|
|00005a20| 69 6c 6c 20 70 72 65 73 | 75 6d 61 62 6c 79 20 61 |ill pres|umably a|
|00005a30| 6c 73 6f 20 62 65 20 61 | 20 6d 65 65 74 69 6e 67 |lso be a| meeting|
|00005a40| 20 6a 75 73 74 20 62 65 | 66 6f 72 65 20 74 68 65 | just be|fore the|
|00005a50| 20 77 69 6e 74 65 72 0a | 55 53 45 4e 49 58 20 63 | winter.|USENIX c|
|00005a60| 6f 6e 76 66 65 72 65 6e | 63 65 2c 20 77 68 69 63 |onvferen|ce, whic|
|00005a70| 68 20 77 69 6c 6c 20 70 | 72 6f 62 61 62 6c 79 20 |h will p|robably |
|00005a80| 62 65 20 69 6e 20 57 61 | 73 68 69 6e 67 74 6f 6e |be in Wa|shington|
|00005a90| 2c 20 44 2e 43 2e 0a 69 | 6e 20 46 65 62 72 75 61 |, D.C..i|n Februa|
|00005aa0| 72 79 20 31 39 38 37 2e | 0a 0a 56 6f 6c 75 6d 65 |ry 1987.|..Volume|
|00005ab0| 2d 4e 75 6d 62 65 72 3a | 20 56 6f 6c 75 6d 65 20 |-Number:| Volume |
|00005ac0| 36 2c 20 4e 75 6d 62 65 | 72 20 36 0a 0a 46 72 6f |6, Numbe|r 6..Fro|
|00005ad0| 6d 20 6a 73 71 20 20 53 | 61 74 20 4d 61 72 20 32 |m jsq  S|at Mar 2|
|00005ae0| 39 20 31 31 3a 33 35 3a | 34 32 20 31 39 38 36 0a |9 11:35:|42 1986.|
|00005af0| 46 72 6f 6d 3a 20 73 74 | 64 2d 75 6e 69 78 25 75 |From: st|d-unix%u|
|00005b00| 74 2d 73 61 6c 6c 79 2e | 55 55 43 50 40 53 41 4c |t-sally.|UUCP@SAL|
|00005b10| 4c 59 2e 55 54 45 58 41 | 53 2e 45 44 55 20 28 4d |LY.UTEXA|S.EDU (M|
|00005b20| 6f 64 65 72 61 74 6f 72 | 2c 20 4a 6f 68 6e 20 51 |oderator|, John Q|
|00005b30| 75 61 72 74 65 72 6d 61 | 6e 29 0a 4e 65 77 73 67 |uarterma|n).Newsg|
|00005b40| 72 6f 75 70 73 3a 20 6d | 6f 64 2e 73 74 64 2e 75 |roups: m|od.std.u|
|00005b50| 6e 69 78 0a 53 75 62 6a | 65 63 74 3a 20 31 30 30 |nix.Subj|ect: 100|
|00005b60| 33 2e 31 20 54 72 69 61 | 6c 20 55 73 65 20 53 74 |3.1 Tria|l Use St|
|00005b70| 61 6e 64 61 72 64 20 74 | 6f 20 62 65 20 70 75 62 |andard t|o be pub|
|00005b80| 6c 69 73 68 65 64 20 69 | 6e 20 41 70 72 69 6c 0a |lished i|n April.|
|00005b90| 4d 65 73 73 61 67 65 2d | 49 64 3a 20 3c 34 35 35 |Message-|Id: <455|
|00005ba0| 35 40 75 74 2d 73 61 6c | 6c 79 2e 55 55 43 50 3e |5@ut-sal|ly.UUCP>|
|00005bb0| 0a 4f 72 67 61 6e 69 7a | 61 74 69 6f 6e 3a 20 49 |.Organiz|ation: I|
|00005bc0| 45 45 45 2f 50 31 30 30 | 33 20 50 6f 72 74 61 62 |EEE/P100|3 Portab|
|00005bd0| 6c 65 20 4f 70 65 72 61 | 74 69 6e 67 20 53 79 73 |le Opera|ting Sys|
|00005be0| 74 65 6d 20 45 6e 76 69 | 72 6f 6e 6d 65 6e 74 20 |tem Envi|ronment |
|00005bf0| 43 6f 6d 6d 69 74 74 65 | 65 0a 44 61 74 65 3a 20 |Committe|e.Date: |
|00005c00| 32 39 20 4d 61 72 20 38 | 36 20 31 37 3a 33 35 3a |29 Mar 8|6 17:35:|
|00005c10| 32 38 20 47 4d 54 0a 44 | 72 61 66 74 2d 39 3a 20 |28 GMT.D|raft-9: |
|00005c20| 54 72 69 61 6c 2e 55 73 | 65 0a 0a 49 20 68 61 76 |Trial.Us|e..I hav|
|00005c30| 65 20 72 65 63 65 69 76 | 65 64 20 74 68 69 73 20 |e receiv|ed this |
|00005c40| 66 72 6f 6d 20 74 68 65 | 20 63 6f 6d 6d 69 74 74 |from the| committ|
|00005c50| 65 65 20 63 68 61 69 72 | 3a 0a 0a 09 57 65 20 68 |ee chair|:...We h|
|00005c60| 61 76 65 20 53 74 61 6e | 64 61 72 64 73 20 42 6f |ave Stan|dards Bo|
|00005c70| 61 72 64 20 41 70 70 72 | 6f 76 61 6c 2e 20 20 54 |ard Appr|oval.  T|
|00005c80| 68 65 20 31 30 30 33 2e | 31 20 54 72 69 61 6c 20 |he 1003.|1 Trial |
|00005c90| 55 73 65 20 53 74 61 6e | 64 61 72 64 20 69 73 0a |Use Stan|dard is.|
|00005ca0| 09 6e 6f 77 20 6f 66 66 | 69 63 61 6c 2e 20 28 31 |.now off|ical. (1|
|00005cb0| 30 30 33 2e 32 20 77 69 | 6c 6c 20 62 65 20 75 73 |003.2 wi|ll be us|
|00005cc0| 65 64 20 74 6f 20 64 65 | 6e 6f 74 65 20 74 68 65 |ed to de|note the|
|00005cd0| 20 73 68 65 6c 6c 2f 74 | 6f 6f 6c 73 20 64 6f 63 | shell/t|ools doc|
|00005ce0| 75 6d 65 6e 74 29 2e 0a | 09 57 65 20 77 69 6c 6c |ument)..|.We will|
|00005cf0| 20 68 61 76 65 20 70 75 | 62 6c 69 73 68 65 64 20 | have pu|blished |
|00005d00| 63 6f 70 69 65 73 20 69 | 6e 20 4d 69 64 2d 41 70 |copies i|n Mid-Ap|
|00005d10| 72 69 6c 20 2e 2e 2e 20 | 63 6f 73 74 20 24 31 39 |ril ... |cost $19|
|00005d20| 2e 39 35 2c 20 77 69 74 | 68 20 62 75 6c 6b 0a 09 |.95, wit|h bulk..|
|00005d30| 70 75 72 63 68 61 73 69 | 6e 67 20 64 69 73 63 6f |purchasi|ng disco|
|00005d40| 75 6e 74 73 20 61 76 61 | 69 6c 61 62 6c 65 2e 20 |unts ava|ilable. |
|00005d50| 20 43 6f 6e 74 61 63 74 | 3a 0a 0a 09 09 49 45 45 | Contact|:....IEE|
|00005d60| 45 20 53 65 72 76 69 63 | 65 20 43 65 6e 74 65 72 |E Servic|e Center|
|00005d70| 0a 09 09 34 34 35 20 48 | 6f 73 65 20 4c 6e 2e 0a |...445 H|ose Ln..|
|00005d80| 09 09 50 69 73 63 61 74 | 61 77 61 79 2c 20 4e 4a |..Piscat|away, NJ|
|00005d90| 20 30 38 38 35 34 0a 0a | 09 61 73 6b 20 66 6f 72 | 08854..|.ask for|
|00005da0| 20 31 30 30 33 2e 31 20 | 53 74 61 6e 64 61 72 64 | 1003.1 |Standard|
|00005db0| 20 2d 20 73 74 6f 63 6b | 20 6e 75 6d 62 65 72 20 | - stock| number |
|00005dc0| 53 48 31 30 35 34 36 0a | 0a 56 6f 6c 75 6d 65 2d |SH10546.|.Volume-|
|00005dd0| 4e 75 6d 62 65 72 3a 20 | 56 6f 6c 75 6d 65 20 36 |Number: |Volume 6|
|00005de0| 2c 20 4e 75 6d 62 65 72 | 20 37 0a 0a 46 72 6f 6d |, Number| 7..From|
|00005df0| 20 6a 73 71 20 20 53 61 | 74 20 4d 61 72 20 32 39 | jsq  Sa|t Mar 29|
|00005e00| 20 32 30 3a 33 37 3a 31 | 38 20 31 39 38 36 0a 46 | 20:37:1|8 1986.F|
|00005e10| 72 6f 6d 3a 20 73 74 64 | 2d 75 6e 69 78 25 75 74 |rom: std|-unix%ut|
|00005e20| 2d 73 61 6c 6c 79 2e 55 | 55 43 50 40 53 41 4c 4c |-sally.U|UCP@SALL|
|00005e30| 59 2e 55 54 45 58 41 53 | 2e 45 44 55 20 28 4d 6f |Y.UTEXAS|.EDU (Mo|
|00005e40| 64 65 72 61 74 6f 72 2c | 20 4a 6f 68 6e 20 51 75 |derator,| John Qu|
|00005e50| 61 72 74 65 72 6d 61 6e | 29 0a 4e 65 77 73 67 72 |arterman|).Newsgr|
|00005e60| 6f 75 70 73 3a 20 6d 6f | 64 2e 73 74 64 2e 75 6e |oups: mo|d.std.un|
|00005e70| 69 78 0a 53 75 62 6a 65 | 63 74 3a 20 52 65 3a 20 |ix.Subje|ct: Re: |
|00005e80| 77 72 69 74 65 65 6f 66 | 28 29 0a 4d 65 73 73 61 |writeeof|().Messa|
|00005e90| 67 65 2d 49 64 3a 20 3c | 34 35 35 36 40 75 74 2d |ge-Id: <|4556@ut-|
|00005ea0| 73 61 6c 6c 79 2e 55 55 | 43 50 3e 0a 4f 72 67 61 |sally.UU|CP>.Orga|
|00005eb0| 6e 69 7a 61 74 69 6f 6e | 3a 20 49 45 45 45 2f 50 |nization|: IEEE/P|
|00005ec0| 31 30 30 33 20 50 6f 72 | 74 61 62 6c 65 20 4f 70 |1003 Por|table Op|
|00005ed0| 65 72 61 74 69 6e 67 20 | 53 79 73 74 65 6d 20 45 |erating |System E|
|00005ee0| 6e 76 69 72 6f 6e 6d 65 | 6e 74 20 43 6f 6d 6d 69 |nvironme|nt Commi|
|00005ef0| 74 74 65 65 0a 44 61 74 | 65 3a 20 33 30 20 4d 61 |ttee.Dat|e: 30 Ma|
|00005f00| 72 20 38 36 20 30 32 3a | 33 37 3a 30 36 20 47 4d |r 86 02:|37:06 GM|
|00005f10| 54 0a 44 72 61 66 74 2d | 39 3a 20 36 2e 34 2e 32 |T.Draft-|9: 6.4.2|
|00005f20| 0a 0a 46 72 6f 6d 3a 20 | 67 77 79 6e 40 42 52 4c |..From: |gwyn@BRL|
|00005f30| 2e 41 52 50 41 20 28 56 | 4c 44 2f 56 4d 42 29 0a |.ARPA (V|LD/VMB).|
|00005f40| 44 61 74 65 3a 20 20 20 | 20 20 53 61 74 2c 20 32 |Date:   |  Sat, 2|
|00005f50| 39 20 4d 61 72 20 38 36 | 20 30 3a 35 37 3a 34 32 |9 Mar 86| 0:57:42|
|00005f60| 20 45 53 54 0a 0a 49 20 | 64 6f 6e 27 74 20 74 68 | EST..I |don't th|
|00005f70| 69 6e 6b 20 50 31 30 30 | 33 20 73 68 6f 75 6c 64 |ink P100|3 should|
|00005f80| 20 62 65 20 74 72 79 69 | 6e 67 20 74 6f 20 69 6e | be tryi|ng to in|
|00005f90| 76 65 6e 74 20 6e 65 77 | 20 66 61 63 69 6c 69 74 |vent new| facilit|
|00005fa0| 69 65 73 2e 0a 0a 5b 20 | 49 20 64 6f 6e 27 74 20 |ies...[ |I don't |
|00005fb0| 73 65 65 20 61 6e 79 77 | 68 65 72 65 20 69 6e 20 |see anyw|here in |
|00005fc0| 74 68 65 20 6f 72 69 67 | 69 6e 61 6c 20 70 6f 73 |the orig|inal pos|
|00005fd0| 74 69 6e 67 20 77 68 65 | 72 65 20 73 75 63 68 20 |ting whe|re such |
|00005fe0| 77 61 73 20 73 75 67 67 | 65 73 74 65 64 2e 0a 4e |was sugg|ested..N|
|00005ff0| 6f 72 20 64 6f 65 73 20 | 61 6e 20 61 72 74 69 63 |or does |an artic|
|00006000| 6c 65 20 61 70 70 65 61 | 72 69 6e 67 20 69 6e 20 |le appea|ring in |
|00006010| 74 68 69 73 20 6e 65 77 | 73 67 72 6f 75 70 20 69 |this new|sgroup i|
|00006020| 6d 70 6c 79 20 74 68 61 | 74 20 50 31 30 30 33 20 |mply tha|t P1003 |
|00006030| 69 73 0a 67 6f 69 6e 67 | 20 74 6f 20 61 63 74 20 |is.going| to act |
|00006040| 6f 6e 20 69 74 2e 20 20 | 53 65 65 20 56 6f 6c 75 |on it.  |See Volu|
|00006050| 6d 65 20 36 2c 20 4e 75 | 6d 62 65 72 20 32 2e 20 |me 6, Nu|mber 2. |
|00006060| 20 2d 6d 6f 64 20 5d 0a | 0a 53 75 67 67 65 73 74 | -mod ].|.Suggest|
|00006070| 69 6f 6e 73 20 6c 69 6b | 65 20 74 68 69 73 20 73 |ions lik|e this s|
|00006080| 68 6f 75 6c 64 20 70 72 | 6f 62 61 62 6c 79 20 62 |hould pr|obably b|
|00006090| 65 20 66 6f 72 77 61 72 | 64 65 64 20 74 6f 20 74 |e forwar|ded to t|
|000060a0| 68 65 0a 55 4e 49 58 2d | 57 49 5a 41 52 44 53 20 |he.UNIX-|WIZARDS |
|000060b0| 28 6e 65 74 2e 75 6e 69 | 78 2d 77 69 7a 61 72 64 |(net.uni|x-wizard|
|000060c0| 73 29 20 6d 61 69 6c 69 | 6e 67 20 6c 69 73 74 2e |s) maili|ng list.|
|000060d0| 0a 0a 5b 20 4d 61 79 62 | 65 2e 20 20 49 20 77 61 |..[ Mayb|e.  I wa|
|000060e0| 73 20 73 6f 20 70 6c 65 | 61 73 65 64 20 74 6f 20 |s so ple|ased to |
|000060f0| 73 65 65 20 2a 61 6e 79 | 74 68 69 6e 67 2a 20 74 |see *any|thing* t|
|00006100| 68 61 74 20 77 61 73 6e | 27 74 20 6f 6e 20 74 69 |hat wasn|'t on ti|
|00006110| 6d 65 7a 6f 6e 65 73 2e | 2e 2e 2e 0a 2d 6d 6f 64 |mezones.|....-mod|
|00006120| 20 5d 0a 0a 49 6e 20 74 | 68 65 20 63 61 73 65 20 | ]..In t|he case |
|00006130| 6f 66 20 77 72 69 74 65 | 65 6f 66 28 29 2c 20 73 |of write|eof(), s|
|00006140| 75 70 70 6f 73 65 20 79 | 6f 75 20 77 72 69 74 65 |uppose y|ou write|
|00006150| 20 61 6e 20 45 4f 46 20 | 31 4d 20 62 79 74 65 73 | an EOF |1M bytes|
|00006160| 0a 69 6e 74 6f 20 61 20 | 72 65 67 75 6c 61 72 20 |.into a |regular |
|00006170| 64 69 73 6b 20 66 69 6c | 65 2c 20 74 68 65 6e 20 |disk fil|e, then |
|00006180| 77 72 69 74 65 20 61 6e | 6f 74 68 65 72 20 32 4d |write an|other 2M|
|00006190| 20 62 79 74 65 73 20 69 | 6e 74 6f 20 74 68 65 0a | bytes i|nto the.|
|000061a0| 73 61 6d 65 20 66 69 6c | 65 2c 20 74 68 65 6e 20 |same fil|e, then |
|000061b0| 72 65 61 64 20 74 68 65 | 20 66 69 6c 65 2e 20 20 |read the| file.  |
|000061c0| 41 63 63 6f 72 64 69 6e | 67 20 74 6f 20 74 68 65 |Accordin|g to the|
|000061d0| 20 73 75 67 67 65 73 74 | 69 6f 6e 2c 0a 74 68 65 | suggest|ion,.the|
|000061e0| 20 66 69 72 73 74 20 45 | 4f 46 20 77 6f 75 6c 64 | first E|OF would|
|000061f0| 20 62 65 20 67 6f 6e 65 | 20 28 69 6d 70 6c 65 6d | be gone| (implem|
|00006200| 65 6e 74 61 74 69 6f 6e | 20 77 6f 75 6c 64 20 70 |entation| would p|
|00006210| 72 6f 62 61 62 6c 79 0a | 61 6c 73 6f 20 72 65 71 |robably.|also req|
|00006220| 75 69 72 65 20 74 68 69 | 73 29 2e 20 20 42 75 74 |uire thi|s).  But|
|00006230| 20 69 6e 20 74 68 65 20 | 70 69 70 65 20 65 78 61 | in the |pipe exa|
|00006240| 6d 70 6c 65 2c 20 6d 75 | 6c 74 69 70 6c 65 20 45 |mple, mu|ltiple E|
|00006250| 4f 46 73 0a 77 6f 75 6c | 64 20 73 74 61 79 20 61 |OFs.woul|d stay a|
|00006260| 72 6f 75 6e 64 20 61 6e | 64 20 62 65 20 64 65 74 |round an|d be det|
|00006270| 65 63 74 65 64 20 75 70 | 6f 6e 20 72 65 61 64 69 |ected up|on readi|
|00006280| 6e 67 20 74 68 65 20 70 | 69 70 65 2e 0a 28 41 74 |ng the p|ipe..(At|
|00006290| 20 6c 65 61 73 74 20 75 | 73 69 6e 67 20 73 74 72 | least u|sing str|
|000062a0| 65 61 6d 20 69 2f 6f 2c | 20 6f 6e 65 20 63 6f 75 |eam i/o,| one cou|
|000062b0| 6c 64 20 63 6f 6e 63 65 | 69 76 61 62 6c 79 20 73 |ld conce|ivably s|
|000062c0| 6c 69 70 20 61 6e 20 45 | 4f 46 0a 63 6f 6e 74 72 |lip an E|OF.contr|
|000062d0| 6f 6c 20 70 61 63 6b 65 | 74 20 69 6e 74 6f 20 74 |ol packe|t into t|
|000062e0| 68 65 20 70 69 70 65 20 | 73 74 72 65 61 6d 2c 20 |he pipe |stream, |
|000062f0| 73 6f 20 74 68 69 73 20 | 69 73 20 69 6d 70 6c 65 |so this |is imple|
|00006300| 6d 65 6e 74 61 62 6c 65 | 2e 29 0a 42 75 74 20 6c |mentable|.).But l|
|00006310| 6f 6f 6b 3a 20 20 46 69 | 6c 65 73 20 61 6e 64 20 |ook:  Fi|les and |
|00006320| 70 69 70 65 73 20 77 6f | 75 6c 64 20 6e 6f 74 20 |pipes wo|uld not |
|00006330| 62 65 68 61 76 65 20 74 | 68 65 20 73 61 6d 65 3b |behave t|he same;|
|00006340| 20 77 68 79 0a 77 65 61 | 6b 65 6e 20 6f 6e 65 20 | why.wea|ken one |
|00006350| 6f 66 20 55 4e 49 58 27 | 73 20 73 74 72 6f 6e 67 |of UNIX'|s strong|
|00006360| 65 73 74 20 64 65 73 69 | 67 6e 20 73 74 72 65 6e |est desi|gn stren|
|00006370| 67 74 68 73 20 75 6e 6e | 65 63 65 73 73 61 72 69 |gths unn|ecessari|
|00006380| 6c 79 3f 0a 0a 49 20 73 | 75 70 70 6f 73 65 20 6f |ly?..I s|uppose o|
|00006390| 6e 65 20 63 6f 75 6c 64 | 20 61 72 67 75 65 20 6d |ne could| argue m|
|000063a0| 6f 72 65 20 72 65 61 73 | 6f 6e 61 62 6c 79 20 66 |ore reas|onably f|
|000063b0| 6f 72 20 74 68 65 20 69 | 6e 63 6c 75 73 69 6f 6e |or the i|nclusion|
|000063c0| 0a 6f 66 20 61 20 74 72 | 75 6e 63 61 74 65 28 29 |.of a tr|uncate()|
|000063d0| 20 70 72 69 6d 69 74 69 | 76 65 2c 20 74 6f 20 73 | primiti|ve, to s|
|000063e0| 68 6f 72 74 65 6e 20 61 | 6e 20 65 78 69 73 74 69 |horten a|n existi|
|000063f0| 6e 67 20 66 69 6c 65 20 | 6f 66 0a 61 6e 79 20 74 |ng file |of.any t|
+--------+-------------------------+-------------------------+--------+--------+