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This file was processed as: Mailbox/MIME Entity
(archive/mbox).
Confidence | Program | Detection | Match Type | Support
|
---|
100%
| dexvert
| Mailbox/MIME Entity (archive/mbox)
| magic
| Supported |
100%
| dexvert
| Internet Message Format (text/imf)
| magic
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| Mailbox text, 1st line "From std-unix-request@uunet.uu.net Thu Sep 20 14:21:46 1990", ASCII text
| default
| |
100%
| TrID
| E-Mail message (Var. 2)
| default
| |
100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
100%
| siegfried
| x-fmt/111 Plain Text File
| default
| |
100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
| |
100%
| xdgMime
| application/mbox
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 73 74 64 | 2d 75 6e 69 78 2d 72 65 |From std|-unix-re|
|00000010| 71 75 65 73 74 40 75 75 | 6e 65 74 2e 75 75 2e 6e |quest@uu|net.uu.n|
|00000020| 65 74 20 20 54 68 75 20 | 53 65 70 20 32 30 20 31 |et Thu |Sep 20 1|
|00000030| 34 3a 32 31 3a 34 36 20 | 31 39 39 30 0a 52 65 63 |4:21:46 |1990.Rec|
|00000040| 65 69 76 65 64 3a 20 66 | 72 6f 6d 20 63 73 2e 75 |eived: f|rom cs.u|
|00000050| 74 65 78 61 73 2e 65 64 | 75 20 62 79 20 75 75 6e |texas.ed|u by uun|
|00000060| 65 74 2e 75 75 2e 6e 65 | 74 20 28 35 2e 36 31 2f |et.uu.ne|t (5.61/|
|00000070| 31 2e 31 34 29 20 77 69 | 74 68 20 53 4d 54 50 20 |1.14) wi|th SMTP |
|00000080| 0a 09 69 64 20 41 41 31 | 31 31 33 39 3b 20 54 68 |..id AA1|1139; Th|
|00000090| 75 2c 20 32 30 20 53 65 | 70 20 39 30 20 31 34 3a |u, 20 Se|p 90 14:|
|000000a0| 32 31 3a 34 36 20 2d 30 | 34 30 30 0a 50 6f 73 74 |21:46 -0|400.Post|
|000000b0| 65 64 2d 44 61 74 65 3a | 20 32 30 20 53 65 70 20 |ed-Date:| 20 Sep |
|000000c0| 39 30 20 31 38 3a 30 31 | 3a 31 37 20 47 4d 54 0a |90 18:01|:17 GMT.|
|000000d0| 52 65 63 65 69 76 65 64 | 3a 20 62 79 20 63 73 2e |Received|: by cs.|
|000000e0| 75 74 65 78 61 73 2e 65 | 64 75 20 28 35 2e 36 34 |utexas.e|du (5.64|
|000000f0| 2f 31 2e 37 36 29 20 0a | 46 72 6f 6d 3a 20 6a 73 |/1.76) .|From: js|
|00000100| 68 40 75 73 65 6e 69 78 | 2e 6f 72 67 20 28 4a 65 |h@usenix|.org (Je|
|00000110| 66 66 72 65 79 20 53 2e | 20 48 61 65 6d 65 72 29 |ffrey S.| Haemer)|
|00000120| 0a 4e 65 77 73 67 72 6f | 75 70 73 3a 20 63 6f 6d |.Newsgro|ups: com|
|00000130| 70 2e 73 74 64 2e 75 6e | 69 78 0a 53 75 62 6a 65 |p.std.un|ix.Subje|
|00000140| 63 74 3a 20 53 74 61 6e | 64 61 72 64 73 20 55 70 |ct: Stan|dards Up|
|00000150| 64 61 74 65 2c 20 49 45 | 45 45 20 31 30 30 33 2e |date, IE|EE 1003.|
|00000160| 32 3a 20 53 68 65 6c 6c | 20 61 6e 64 20 74 6f 6f |2: Shell| and too|
|00000170| 6c 73 0a 4d 65 73 73 61 | 67 65 2d 49 64 3a 20 3c |ls.Messa|ge-Id: <|
|00000180| 35 33 30 40 75 73 65 6e | 69 78 2e 4f 52 47 3e 0a |530@usen|ix.ORG>.|
|00000190| 53 65 6e 64 65 72 3a 20 | 6a 73 71 40 75 73 65 6e |Sender: |jsq@usen|
|000001a0| 69 78 2e 4f 52 47 0a 52 | 65 70 6c 79 2d 54 6f 3a |ix.ORG.R|eply-To:|
|000001b0| 20 73 74 64 2d 75 6e 69 | 78 40 75 75 6e 65 74 2e | std-uni|x@uunet.|
|000001c0| 75 75 2e 6e 65 74 0a 4f | 72 67 61 6e 69 7a 61 74 |uu.net.O|rganizat|
|000001d0| 69 6f 6e 3a 20 55 53 45 | 4e 49 58 20 53 74 61 6e |ion: USE|NIX Stan|
|000001e0| 64 61 72 64 73 20 57 61 | 74 63 68 64 6f 67 20 43 |dards Wa|tchdog C|
|000001f0| 6f 6d 6d 69 74 74 65 65 | 0a 58 2d 53 75 62 6d 69 |ommittee|.X-Submi|
|00000200| 73 73 69 6f 6e 73 3a 20 | 73 74 64 2d 75 6e 69 78 |ssions: |std-unix|
|00000210| 40 75 75 6e 65 74 2e 75 | 75 2e 6e 65 74 0a 44 61 |@uunet.u|u.net.Da|
|00000220| 74 65 3a 20 32 30 20 53 | 65 70 20 39 30 20 31 38 |te: 20 S|ep 90 18|
|00000230| 3a 30 31 3a 31 37 20 47 | 4d 54 0a 54 6f 3a 20 73 |:01:17 G|MT.To: s|
|00000240| 74 64 2d 75 6e 69 78 40 | 75 75 6e 65 74 2e 75 75 |td-unix@|uunet.uu|
|00000250| 2e 6e 65 74 0a 0a 53 75 | 62 6d 69 74 74 65 64 2d |.net..Su|bmitted-|
|00000260| 62 79 3a 20 6a 73 68 40 | 75 73 65 6e 69 78 2e 6f |by: jsh@|usenix.o|
|00000270| 72 67 20 28 4a 65 66 66 | 72 65 79 20 53 2e 20 48 |rg (Jeff|rey S. H|
|00000280| 61 65 6d 65 72 29 0a 0a | 20 20 20 20 20 20 20 20 |aemer)..| |
|00000290| 20 20 20 41 6e 20 55 70 | 64 61 74 65 20 6f 6e 20 | An Up|date on |
|000002a0| 55 4e 49 58 2a 2d 52 65 | 6c 61 74 65 64 20 53 74 |UNIX*-Re|lated St|
|000002b0| 61 6e 64 61 72 64 73 20 | 41 63 74 69 76 69 74 69 |andards |Activiti|
|000002c0| 65 73 0a 0a 20 20 20 20 | 20 20 20 20 20 20 20 20 |es.. | |
|000002d0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|000002e0| 53 65 70 74 65 6d 62 65 | 72 20 31 39 39 30 0a 0a |Septembe|r 1990..|
|000002f0| 20 20 20 20 20 20 20 20 | 20 20 20 20 20 20 20 20 | | |
|00000300| 20 55 53 45 4e 49 58 20 | 53 74 61 6e 64 61 72 64 | USENIX |Standard|
|00000310| 73 20 57 61 74 63 68 64 | 6f 67 20 43 6f 6d 6d 69 |s Watchd|og Commi|
|00000320| 74 74 65 65 0a 0a 20 20 | 20 20 20 20 20 20 20 20 |ttee.. | |
|00000330| 20 20 20 20 20 20 20 20 | 20 4a 65 66 66 72 65 79 | | Jeffrey|
|00000340| 20 53 2e 20 48 61 65 6d | 65 72 2c 20 52 65 70 6f | S. Haem|er, Repo|
|00000350| 72 74 20 45 64 69 74 6f | 72 0a 0a 49 45 45 45 20 |rt Edito|r..IEEE |
|00000360| 31 30 30 33 2e 32 3a 20 | 53 68 65 6c 6c 20 61 6e |1003.2: |Shell an|
|00000370| 64 20 74 6f 6f 6c 73 0a | 0a 52 61 6e 64 61 6c 6c |d tools.|.Randall|
|00000380| 20 48 6f 77 61 72 64 20 | 3c 72 61 6e 64 40 6d 6b | Howard |<rand@mk|
|00000390| 73 2e 63 6f 6d 3e 20 72 | 65 70 6f 72 74 73 20 6f |s.com> r|eports o|
|000003a0| 6e 20 74 68 65 20 4a 75 | 6c 79 20 31 36 2d 32 30 |n the Ju|ly 16-20|
|000003b0| 20 6d 65 65 74 69 6e 67 | 20 69 6e 0a 44 61 6e 76 | meeting| in.Danv|
|000003c0| 65 72 73 2c 20 4d 41 3a | 0a 0a 42 61 63 6b 67 72 |ers, MA:|..Backgr|
|000003d0| 6f 75 6e 64 20 6f 6e 20 | 50 4f 53 49 58 2e 32 0a |ound on |POSIX.2.|
|000003e0| 0a 54 68 65 20 50 4f 53 | 49 58 2e 32 20 73 74 61 |.The POS|IX.2 sta|
|000003f0| 6e 64 61 72 64 20 64 65 | 61 6c 73 20 77 69 74 68 |ndard de|als with|
|00000400| 20 74 68 65 20 73 68 65 | 6c 6c 20 70 72 6f 67 72 | the she|ll progr|
|00000410| 61 6d 6d 69 6e 67 20 6c | 61 6e 67 75 61 67 65 20 |amming l|anguage |
|00000420| 61 6e 64 0a 75 74 69 6c | 69 74 69 65 73 2e 20 20 |and.util|ities. |
|00000430| 43 75 72 72 65 6e 74 6c | 79 2c 20 69 74 20 69 73 |Currentl|y, it is|
|00000440| 20 64 69 76 69 64 65 64 | 20 69 6e 74 6f 20 74 77 | divided| into tw|
|00000450| 6f 20 63 6f 6d 70 6f 6e | 65 6e 74 73 3a 0a 0a 20 |o compon|ents:.. |
|00000460| 20 20 2b 20 50 4f 53 49 | 58 2e 32 2c 20 74 68 65 | + POSI|X.2, the|
|00000470| 20 62 61 73 65 20 73 74 | 61 6e 64 61 72 64 2c 20 | base st|andard, |
|00000480| 64 65 61 6c 73 20 77 69 | 74 68 20 74 68 65 20 62 |deals wi|th the b|
|00000490| 61 73 69 63 20 73 68 65 | 6c 6c 0a 20 20 20 20 20 |asic she|ll. |
|000004a0| 70 72 6f 67 72 61 6d 6d | 69 6e 67 20 6c 61 6e 67 |programm|ing lang|
|000004b0| 75 61 67 65 20 61 6e 64 | 20 61 20 73 65 74 20 6f |uage and| a set o|
|000004c0| 66 20 75 74 69 6c 69 74 | 69 65 73 20 72 65 71 75 |f utilit|ies requ|
|000004d0| 69 72 65 64 20 66 6f 72 | 0a 20 20 20 20 20 61 70 |ired for|. ap|
|000004e0| 70 6c 69 63 61 74 69 6f | 6e 20 70 6f 72 74 61 62 |plicatio|n portab|
|000004f0| 69 6c 69 74 79 2e 20 20 | 41 70 70 6c 69 63 61 74 |ility. |Applicat|
|00000500| 69 6f 6e 20 70 6f 72 74 | 61 62 69 6c 69 74 79 20 |ion port|ability |
|00000510| 65 73 73 65 6e 74 69 61 | 6c 6c 79 0a 20 20 20 20 |essentia|lly. |
|00000520| 20 6d 65 61 6e 73 20 70 | 6f 72 74 61 62 69 6c 69 | means p|ortabili|
|00000530| 74 79 20 6f 66 20 73 68 | 65 6c 6c 20 73 63 72 69 |ty of sh|ell scri|
|00000540| 70 74 73 20 61 6e 64 20 | 74 68 75 73 20 65 78 63 |pts and |thus exc|
|00000550| 6c 75 64 65 73 20 6d 6f | 73 74 0a 20 20 20 20 20 |ludes mo|st. |
|00000560| 66 65 61 74 75 72 65 73 | 20 74 68 61 74 20 6d 69 |features| that mi|
|00000570| 67 68 74 20 62 65 20 63 | 6f 6e 73 69 64 65 72 65 |ght be c|onsidere|
|00000580| 64 20 69 6e 74 65 72 61 | 63 74 69 76 65 2e 20 20 |d intera|ctive. |
|00000590| 49 6e 20 61 6e 20 61 6e | 61 6c 6f 67 79 20 74 6f |In an an|alogy to|
|000005a0| 0a 20 20 20 20 20 74 68 | 65 20 41 4e 53 49 20 43 |. th|e ANSI C|
|000005b0| 20 73 74 61 6e 64 61 72 | 64 2c 20 74 68 65 20 50 | standar|d, the P|
|000005c0| 4f 53 49 58 2e 32 20 73 | 68 65 6c 6c 20 63 6f 6d |OSIX.2 s|hell com|
|000005d0| 6d 61 6e 64 20 6c 61 6e | 67 75 61 67 65 20 69 73 |mand lan|guage is|
|000005e0| 20 74 68 65 0a 20 20 20 | 20 20 63 6f 75 6e 74 65 | the. | counte|
|000005f0| 72 70 61 72 74 20 74 6f | 20 74 68 65 20 43 20 70 |rpart to| the C p|
|00000600| 72 6f 67 72 61 6d 6d 69 | 6e 67 20 6c 61 6e 67 75 |rogrammi|ng langu|
|00000610| 61 67 65 2c 20 77 68 69 | 6c 65 20 74 68 65 20 75 |age, whi|le the u|
|00000620| 74 69 6c 69 74 69 65 73 | 0a 20 20 20 20 20 70 6c |tilities|. pl|
|00000630| 61 79 2c 20 72 6f 75 67 | 68 6c 79 2c 20 74 68 65 |ay, roug|hly, the|
|00000640| 20 72 6f 6c 65 20 6f 66 | 20 74 68 65 20 43 20 6c | role of| the C l|
|00000650| 69 62 72 61 72 79 2e 20 | 20 49 6e 20 66 61 63 74 |ibrary. | In fact|
|00000660| 2c 20 62 65 63 61 75 73 | 65 0a 20 20 20 20 20 50 |, becaus|e. P|
|00000670| 4f 53 49 58 2e 32 20 70 | 72 6f 76 69 64 65 73 20 |OSIX.2 p|rovides |
|00000680| 61 6e 20 69 6e 74 65 72 | 66 61 63 65 20 74 6f 20 |an inter|face to |
|00000690| 6d 6f 73 74 20 6f 66 20 | 74 68 65 20 66 65 61 74 |most of |the feat|
|000006a0| 75 72 65 73 20 28 61 6e | 64 0a 20 20 20 20 20 70 |ures (an|d. p|
|000006b0| 6f 73 73 69 62 6c 79 20 | 6d 6f 72 65 29 20 6f 66 |ossibly |more) of|
|000006c0| 20 50 4f 53 49 58 2e 31 | 2c 20 69 74 20 6d 69 67 | POSIX.1|, it mig|
|000006d0| 68 74 20 61 6c 73 6f 20 | 62 65 20 74 68 6f 75 67 |ht also |be thoug|
|000006e0| 68 74 20 6f 66 20 61 73 | 20 61 0a 20 20 20 20 20 |ht of as| a. |
|000006f0| 70 61 72 74 69 63 75 6c | 61 72 20 6c 61 6e 67 75 |particul|ar langu|
|00000700| 61 67 65 20 62 69 6e 64 | 69 6e 67 20 74 6f 20 74 |age bind|ing to t|
|00000710| 68 65 20 73 6f 6f 6e 2d | 74 6f 2d 62 65 20 6c 61 |he soon-|to-be la|
|00000720| 6e 67 75 61 67 65 0a 20 | 20 20 20 20 69 6e 64 65 |nguage. | inde|
|00000730| 70 65 6e 64 65 6e 74 20 | 76 65 72 73 69 6f 6e 20 |pendent |version |
|00000740| 6f 66 20 74 68 61 74 20 | 73 74 61 6e 64 61 72 64 |of that |standard|
|00000750| 2e 20 20 50 4f 53 49 58 | 2e 32 20 61 6c 73 6f 20 |. POSIX|.2 also |
|00000760| 73 74 61 6e 64 61 72 64 | 69 7a 65 73 0a 20 20 20 |standard|izes. |
|00000770| 20 20 63 6f 6d 6d 61 6e | 64 2d 6c 69 6e 65 20 61 | comman|d-line a|
|00000780| 6e 64 20 66 75 6e 63 74 | 69 6f 6e 20 69 6e 74 65 |nd funct|ion inte|
|00000790| 72 66 61 63 65 73 20 72 | 65 6c 61 74 65 64 20 74 |rfaces r|elated t|
|000007a0| 6f 20 63 65 72 74 61 69 | 6e 20 50 4f 53 49 58 2e |o certai|n POSIX.|
|000007b0| 32 0a 20 20 20 20 20 75 | 74 69 6c 69 74 69 65 73 |2. u|tilities|
|000007c0| 20 28 65 2e 67 2e 2c 20 | 70 6f 70 65 6e 28 29 2c | (e.g., |popen(),|
|000007d0| 20 72 65 67 75 6c 61 72 | 20 65 78 70 72 65 73 73 | regular| express|
|000007e0| 69 6f 6e 73 2c 20 65 74 | 63 2e 29 2c 20 61 73 0a |ions, et|c.), as.|
|000007f0| 20 20 20 20 20 64 69 73 | 63 75 73 73 65 64 20 69 | dis|cussed i|
|00000800| 6e 20 64 65 74 61 69 6c | 20 69 6e 20 74 68 65 20 |n detail| in the |
|00000810| 73 6e 69 74 63 68 20 72 | 65 70 6f 72 74 20 66 6f |snitch r|eport fo|
|00000820| 72 20 74 68 65 20 53 6e | 6f 77 62 69 72 64 0a 20 |r the Sn|owbird. |
|00000830| 20 20 20 20 6d 65 65 74 | 69 6e 67 2e 20 20 54 68 | meet|ing. Th|
|00000840| 69 73 20 70 61 72 74 20 | 6f 66 20 50 4f 53 49 58 |is part |of POSIX|
|00000850| 2e 32 2c 20 77 68 69 63 | 68 20 77 61 73 20 64 65 |.2, whic|h was de|
|00000860| 76 65 6c 6f 70 65 64 20 | 66 69 72 73 74 2c 20 69 |veloped |first, i|
|00000870| 73 0a 20 20 20 20 20 61 | 6c 73 6f 20 6b 6e 6f 77 |s. a|lso know|
|00000880| 6e 20 61 73 20 60 60 44 | 6f 74 20 32 20 43 6c 61 |n as ``D|ot 2 Cla|
|00000890| 73 73 69 63 2e 27 27 0a | 0a 20 20 20 2b 20 50 4f |ssic.''.|. + PO|
|000008a0| 53 49 58 2e 32 61 2c 20 | 74 68 65 20 55 73 65 72 |SIX.2a, |the User|
|000008b0| 20 50 6f 72 74 61 62 69 | 6c 69 74 79 20 45 78 74 | Portabi|lity Ext|
|000008c0| 65 6e 73 69 6f 6e 20 6f | 72 20 55 50 45 2c 20 69 |ension o|r UPE, i|
|000008d0| 73 20 61 20 73 75 70 70 | 6c 65 6d 65 6e 74 0a 20 |s a supp|lement. |
|000008e0| 20 20 20 20 74 6f 20 74 | 68 65 20 62 61 73 65 20 | to t|he base |
|000008f0| 50 4f 53 49 58 2e 32 20 | 73 74 61 6e 64 61 72 64 |POSIX.2 |standard|
|00000900| 2e 20 20 4e 6f 74 20 61 | 20 73 74 61 6e 64 2d 61 |. Not a| stand-a|
|00000910| 6c 6f 6e 65 20 64 6f 63 | 75 6d 65 6e 74 2c 20 69 |lone doc|ument, i|
|00000920| 74 0a 20 20 20 20 20 77 | 69 6c 6c 20 65 76 65 6e |t. w|ill even|
|00000930| 74 75 61 6c 6c 79 20 62 | 65 20 61 6e 20 6f 70 74 |tually b|e an opt|
|00000940| 69 6f 6e 61 6c 20 63 68 | 61 70 74 65 72 20 61 6e |ional ch|apter an|
|00000950| 64 20 61 20 73 6d 61 6c | 6c 20 6e 75 6d 62 65 72 |d a smal|l number|
|00000960| 20 6f 66 0a 20 20 20 20 | 20 6f 74 68 65 72 20 72 | of. | other r|
|00000970| 65 76 69 73 69 6f 6e 73 | 20 74 6f 20 61 20 66 75 |evisions| to a fu|
|00000980| 74 75 72 65 20 64 72 61 | 66 74 20 6f 66 20 74 68 |ture dra|ft of th|
|00000990| 61 74 20 62 61 73 65 20 | 64 6f 63 75 6d 65 6e 74 |at base |document|
|000009a0| 2e 20 20 54 68 69 73 0a | 20 20 20 20 20 61 70 70 |. This.| app|
|000009b0| 72 6f 61 63 68 20 61 6c | 6c 6f 77 73 20 74 68 65 |roach al|lows the|
|000009c0| 20 61 64 6f 70 74 69 6f | 6e 20 6f 66 20 74 68 65 | adoptio|n of the|
|000009d0| 20 55 50 45 20 74 6f 20 | 74 72 61 69 6c 20 44 6f | UPE to |trail Do|
|000009e0| 74 20 32 20 43 6c 61 73 | 73 69 63 0a 20 20 20 20 |t 2 Clas|sic. |
|000009f0| 20 77 69 74 68 6f 75 74 | 20 64 65 6c 61 79 69 6e | without| delayin|
|00000a00| 67 20 69 74 2e 20 20 54 | 68 65 20 55 50 45 20 73 |g it. T|he UPE s|
|00000a10| 74 61 6e 64 61 72 64 69 | 7a 65 73 20 63 6f 6d 6d |tandardi|zes comm|
|00000a20| 61 6e 64 73 2c 20 73 75 | 63 68 20 61 73 20 76 69 |ands, su|ch as vi|
|00000a30| 2c 0a 20 20 20 20 20 74 | 68 61 74 20 6d 69 67 68 |,. t|hat migh|
|00000a40| 74 20 6e 6f 74 20 61 70 | 70 65 61 72 20 69 6e 20 |t not ap|pear in |
|00000a50| 73 68 65 6c 6c 20 73 63 | 72 69 70 74 73 20 62 75 |shell sc|ripts bu|
|00000a60| 74 20 61 72 65 20 69 6d | 70 6f 72 74 61 6e 74 20 |t are im|portant |
|00000a70| 65 6e 6f 75 67 68 0a 20 | 20 20 20 20 74 68 61 74 |enough. | that|
|00000a80| 20 75 73 65 72 73 20 6d | 75 73 74 20 6c 65 61 72 | users m|ust lear|
|00000a90| 6e 20 74 68 65 6d 20 6f | 6e 20 61 6e 79 20 72 65 |n them o|n any re|
|00000aa0| 61 6c 20 73 79 73 74 65 | 6d 2e 20 20 49 74 20 69 |al syste|m. It i|
|00000ab0| 73 20 65 73 73 65 6e 74 | 69 61 6c 6c 79 0a 20 20 |s essent|ially. |
|00000ac0| 20 20 20 61 6e 20 69 6e | 74 65 72 61 63 74 69 76 | an in|teractiv|
|00000ad0| 65 20 73 74 61 6e 64 61 | 72 64 20 74 68 61 74 20 |e standa|rd that |
|00000ae0| 61 74 74 65 6d 70 74 73 | 20 74 6f 20 72 65 64 75 |attempts| to redu|
|00000af0| 63 65 20 72 65 74 72 61 | 69 6e 69 6e 67 20 63 6f |ce retra|ining co|
|00000b00| 73 74 73 0a 20 20 20 20 | 20 63 61 75 73 65 64 20 |sts. | caused |
|00000b10| 62 79 20 73 79 73 74 65 | 6d 2d 74 6f 2d 73 79 73 |by syste|m-to-sys|
|00000b20| 74 65 6d 20 76 61 72 69 | 61 74 69 6f 6e 2e 0a 0a |tem vari|ation...|
|00000b30| 5f 5f 5f 5f 5f 5f 5f 5f | 5f 5f 0a 0a 20 20 2a 20 |________|__.. * |
|00000b40| 55 4e 49 58 54 4d 20 69 | 73 20 61 20 52 65 67 69 |UNIXTM i|s a Regi|
|00000b50| 73 74 65 72 65 64 20 54 | 72 61 64 65 6d 61 72 6b |stered T|rademark|
|00000b60| 20 6f 66 20 55 4e 49 58 | 20 53 79 73 74 65 6d 20 | of UNIX| System |
|00000b70| 4c 61 62 6f 72 61 74 6f | 72 69 65 73 20 69 6e 0a |Laborato|ries in.|
|00000b80| 20 20 20 20 74 68 65 20 | 55 6e 69 74 65 64 20 53 | the |United S|
|00000b90| 74 61 74 65 73 20 61 6e | 64 20 6f 74 68 65 72 20 |tates an|d other |
|00000ba0| 63 6f 75 6e 74 72 69 65 | 73 2e 0a 0a 53 65 70 74 |countrie|s...Sept|
|00000bb0| 65 6d 62 65 72 20 31 39 | 39 30 20 53 74 61 6e 64 |ember 19|90 Stand|
|00000bc0| 61 72 64 73 20 55 70 64 | 61 74 65 20 20 20 20 20 |ards Upd|ate |
|00000bd0| 20 20 20 20 20 20 49 45 | 45 45 20 31 30 30 33 2e | IE|EE 1003.|
|00000be0| 32 3a 20 53 68 65 6c 6c | 20 61 6e 64 20 74 6f 6f |2: Shell| and too|
|00000bf0| 6c 73 0a 0a 0c 0a 09 09 | 09 09 2d 20 32 20 2d 0a |ls......|..- 2 -.|
|00000c00| 0a 20 20 20 20 20 53 6f | 6d 65 20 75 74 69 6c 69 |. So|me utili|
|00000c10| 74 69 65 73 20 68 61 76 | 65 20 69 6e 74 65 72 61 |ties hav|e intera|
|00000c20| 63 74 69 76 65 20 61 73 | 20 77 65 6c 6c 20 61 73 |ctive as| well as|
|00000c30| 20 6e 6f 6e 2d 69 6e 74 | 65 72 61 63 74 69 76 65 | non-int|eractive|
|00000c40| 0a 20 20 20 20 20 66 65 | 61 74 75 72 65 73 2e 20 |. fe|atures. |
|00000c50| 20 49 6e 20 73 75 63 68 | 20 63 61 73 65 73 2c 20 | In such| cases, |
|00000c60| 74 68 65 20 55 50 45 20 | 64 65 66 69 6e 65 73 20 |the UPE |defines |
|00000c70| 65 78 74 65 6e 73 69 6f | 6e 73 20 66 72 6f 6d 20 |extensio|ns from |
|00000c80| 74 68 65 0a 20 20 20 20 | 20 62 61 73 65 20 50 4f |the. | base PO|
|00000c90| 53 49 58 2e 32 20 75 74 | 69 6c 69 74 79 2e 20 20 |SIX.2 ut|ility. |
|00000ca0| 41 6e 20 65 78 61 6d 70 | 6c 65 20 69 73 20 74 68 |An examp|le is th|
|00000cb0| 65 20 73 68 65 6c 6c 2c | 20 66 6f 72 20 77 68 69 |e shell,| for whi|
|00000cc0| 63 68 20 74 68 65 20 55 | 50 45 0a 20 20 20 20 20 |ch the U|PE. |
|00000cd0| 64 65 66 69 6e 65 73 20 | 6a 6f 62 20 63 6f 6e 74 |defines |job cont|
|00000ce0| 72 6f 6c 2c 20 68 69 73 | 74 6f 72 79 2c 20 61 6e |rol, his|tory, an|
|00000cf0| 64 20 61 6c 69 61 73 65 | 73 2e 20 20 46 65 61 74 |d aliase|s. Feat|
|00000d00| 75 72 65 73 20 75 73 65 | 64 20 62 6f 74 68 0a 20 |ures use|d both. |
|00000d10| 20 20 20 20 69 6e 74 65 | 72 61 63 74 69 76 65 6c | inte|ractivel|
|00000d20| 79 20 61 6e 64 20 69 6e | 20 73 63 72 69 70 74 73 |y and in| scripts|
|00000d30| 20 74 65 6e 64 20 74 6f | 20 62 65 20 64 65 66 69 | tend to| be defi|
|00000d40| 6e 65 64 20 69 6e 20 74 | 68 65 20 62 61 73 65 0a |ned in t|he base.|
|00000d50| 20 20 20 20 20 73 74 61 | 6e 64 61 72 64 2e 0a 0a | sta|ndard...|
|00000d60| 54 6f 67 65 74 68 65 72 | 2c 20 44 6f 74 20 32 20 |Together|, Dot 2 |
|00000d70| 43 6c 61 73 73 69 63 20 | 61 6e 64 20 74 68 65 20 |Classic |and the |
|00000d80| 55 50 45 20 77 69 6c 6c | 20 6d 61 6b 65 20 75 70 |UPE will| make up|
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|00002c70| 09 09 09 2d 20 35 20 2d | 0a 0a 53 74 61 74 75 73 |...- 5 -|..Status|
|00002c80| 20 6f 66 20 74 68 65 20 | 44 61 6e 76 65 72 73 20 | of the |Danvers |
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|00002ce0| 20 20 49 6e 73 74 65 61 | 64 2c 20 61 74 20 50 4f | Instea|d, at PO|
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|00002d70| 6e 73 20 66 6f 72 20 44 | 6f 74 20 32 20 43 6c 61 |ns for D|ot 2 Cla|
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|00002dd0| 53 49 58 20 77 6f 72 6b | 69 6e 67 20 67 72 6f 75 |SIX work|ing grou|
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|00002e40| 33 27 73 20 66 72 75 73 | 74 72 61 74 69 6f 6e 20 |3's frus|tration |
|00002e50| 6f 76 65 72 20 74 68 65 | 20 28 69 6e 61 64 65 71 |over the| (inadeq|
|00002e60| 75 61 74 65 29 20 77 61 | 79 20 44 6f 74 20 32 0a |uate) wa|y Dot 2.|
|00002e70| 61 64 64 72 65 73 73 65 | 64 20 74 65 73 74 69 6e |addresse|d testin|
|00002e80| 67 2e 20 20 46 6f 72 20 | 65 78 61 6d 70 6c 65 2c |g. For |example,|
|00002e90| 20 61 75 74 6f 6d 61 74 | 65 64 20 74 65 73 74 69 | automat|ed testi|
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|00002eb0| 6f 73 73 69 62 6c 65 3b | 20 69 74 20 63 61 6e 20 |ossible;| it can |
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|00002f40| 49 58 2e 33 20 74 6f 20 | 74 68 61 74 20 74 61 73 |IX.3 to |that tas|
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|00002f60| 69 65 73 20 63 61 6e 20 | 6f 6e 6c 79 20 62 65 20 |ies can |only be |
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|00002f80| 20 62 75 74 20 74 68 65 | 20 77 6f 72 6b 69 6e 67 | but the| working|
|00002f90| 20 67 72 6f 75 70 20 64 | 65 66 69 6e 69 6e 67 20 | group d|efining |
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|00002fb0| 75 6c 64 20 6c 69 6b 65 | 6c 79 0a 70 75 74 20 73 |uld like|ly.put s|
|00002fc0| 6f 6d 65 74 68 69 6e 67 | 20 74 6f 20 74 68 61 74 |omething| to that|
|00002fd0| 20 65 66 66 65 63 74 20 | 69 6e 20 74 68 65 20 52 | effect |in the R|
|00002fe0| 61 74 69 6f 6e 61 6c 65 | 20 6f 72 20 48 69 73 74 |ationale| or Hist|
|00002ff0| 6f 72 79 20 6f 66 20 44 | 65 63 69 73 69 6f 6e 73 |ory of D|ecisions|
|00003000| 0a 4d 61 64 65 20 74 6f | 20 63 6f 6e 66 69 72 6d |.Made to| confirm|
|00003010| 20 74 6f 20 74 68 65 20 | 74 65 73 74 69 6e 67 20 | to the |testing |
|00003020| 70 65 6f 70 6c 65 20 74 | 68 61 74 20 74 68 65 79 |people t|hat they|
|00003030| 20 6b 6e 65 77 20 74 68 | 69 73 2e 29 0a 0a 54 68 | knew th|is.)..Th|
|00003040| 65 20 74 68 72 65 65 20 | 64 61 79 73 20 6f 66 20 |e three |days of |
|00003050| 77 6f 72 6b 69 6e 67 20 | 77 69 74 68 20 44 6f 74 |working |with Dot|
|00003060| 20 33 20 77 65 72 65 20 | 61 20 72 65 61 6c 20 6c | 3 were |a real l|
|00003070| 65 61 72 6e 69 6e 67 20 | 65 78 70 65 72 69 65 6e |earning |experien|
|00003080| 63 65 0a 66 6f 72 20 6f | 75 72 20 77 6f 72 6b 69 |ce.for o|ur worki|
|00003090| 6e 67 20 67 72 6f 75 70 | 2e 20 20 4e 6f 6e 65 74 |ng group|. Nonet|
|000030a0| 68 65 6c 65 73 73 2c 20 | 6d 61 6e 79 20 6f 66 20 |heless, |many of |
|000030b0| 75 73 20 68 61 64 20 6f | 75 72 20 66 69 6c 6c 20 |us had o|ur fill |
|000030c0| 6f 66 20 74 65 73 74 0a | 61 73 73 65 72 74 69 6f |of test.|assertio|
|000030d0| 6e 73 20 74 68 61 74 20 | 77 65 65 6b 2e 0a 0a 49 |ns that |week...I|
|000030e0| 27 6d 20 61 6c 73 6f 20 | 63 6f 6e 63 65 72 6e 65 |'m also |concerne|
|000030f0| 64 20 74 68 61 74 20 61 | 20 74 68 72 65 65 2d 64 |d that a| three-d|
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|00003110| 6d 79 20 63 6f 6d 70 61 | 6e 79 20 6e 65 61 72 6c |my compa|ny nearl|
|00003120| 79 20 61 73 0a 6d 75 63 | 68 20 61 73 20 61 20 66 |y as.muc|h as a f|
|00003130| 69 76 65 20 64 61 79 20 | 6d 65 65 74 69 6e 67 20 |ive day |meeting |
|00003140| 77 6f 75 6c 64 20 68 61 | 76 65 2e 20 20 49 6e 20 |would ha|ve. In |
|00003150| 74 68 65 20 66 75 74 75 | 72 65 2c 20 49 20 77 6f |the futu|re, I wo|
|00003160| 75 6c 64 20 70 72 65 66 | 65 72 0a 74 6f 20 73 65 |uld pref|er.to se|
|00003170| 65 20 73 63 68 65 64 75 | 6c 65 73 20 74 68 61 74 |e schedu|les that|
|00003180| 20 6d 61 6b 65 20 70 72 | 6f 64 75 63 74 69 76 65 | make pr|oductive|
|00003190| 20 75 73 65 20 6f 66 20 | 74 68 65 20 65 6e 74 69 | use of |the enti|
|000031a0| 72 65 20 77 6f 72 6b 69 | 6e 67 20 77 65 65 6b 2e |re worki|ng week.|
|000031b0| 0a 0a 53 65 70 74 65 6d | 62 65 72 20 31 39 39 30 |..Septem|ber 1990|
|000031c0| 20 53 74 61 6e 64 61 72 | 64 73 20 55 70 64 61 74 | Standar|ds Updat|
|000031d0| 65 20 20 20 20 20 20 20 | 20 20 20 20 49 45 45 45 |e | IEEE|
|000031e0| 20 31 30 30 33 2e 32 3a | 20 53 68 65 6c 6c 20 61 | 1003.2:| Shell a|
|000031f0| 6e 64 20 74 6f 6f 6c 73 | 0a 0a 56 6f 6c 75 6d 65 |nd tools|..Volume|
|00003200| 2d 4e 75 6d 62 65 72 3a | 20 56 6f 6c 75 6d 65 20 |-Number:| Volume |
|00003210| 32 31 2c 20 4e 75 6d 62 | 65 72 20 31 32 30 0a 0a |21, Numb|er 120..|
+--------+-------------------------+-------------------------+--------+--------+