home *** CD-ROM | disk | FTP | other *** search
open in:
MacOS 8.1
|
Win98
|
DOS
browse contents |
view JSON data
|
view as text
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 jsq@cs.utexas.edu Tue Oct 2 13:53:05 1990", ASCII text
| default
| |
100%
| TrID
| E-Mail message (Var. 2)
| default
| |
100%
| checkBytes
| Printable ASCII
| 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 6a 73 71 | 40 63 73 2e 75 74 65 78 |From jsq|@cs.utex|
|00000010| 61 73 2e 65 64 75 20 20 | 54 75 65 20 4f 63 74 20 |as.edu |Tue Oct |
|00000020| 20 32 20 31 33 3a 35 33 | 3a 30 35 20 31 39 39 30 | 2 13:53|:05 1990|
|00000030| 0a 52 65 63 65 69 76 65 | 64 3a 20 66 72 6f 6d 20 |.Receive|d: from |
|00000040| 63 73 2e 75 74 65 78 61 | 73 2e 65 64 75 20 62 79 |cs.utexa|s.edu by|
|00000050| 20 75 75 6e 65 74 2e 75 | 75 2e 6e 65 74 20 28 35 | uunet.u|u.net (5|
|00000060| 2e 36 31 2f 31 2e 31 34 | 29 20 77 69 74 68 20 53 |.61/1.14|) with S|
|00000070| 4d 54 50 20 0a 09 69 64 | 20 41 41 32 34 34 38 36 |MTP ..id| AA24486|
|00000080| 3b 20 54 75 65 2c 20 32 | 20 4f 63 74 20 39 30 20 |; Tue, 2| Oct 90 |
|00000090| 31 33 3a 35 33 3a 30 35 | 20 2d 30 34 30 30 0a 50 |13:53:05| -0400.P|
|000000a0| 6f 73 74 65 64 2d 44 61 | 74 65 3a 20 32 20 4f 63 |osted-Da|te: 2 Oc|
|000000b0| 74 20 39 30 20 31 36 3a | 35 30 3a 30 39 20 47 4d |t 90 16:|50:09 GM|
|000000c0| 54 0a 52 65 63 65 69 76 | 65 64 3a 20 62 79 20 63 |T.Receiv|ed: by c|
|000000d0| 73 2e 75 74 65 78 61 73 | 2e 65 64 75 20 28 35 2e |s.utexas|.edu (5.|
|000000e0| 36 34 2f 31 2e 37 36 29 | 20 0a 46 72 6f 6d 3a 20 |64/1.76)| .From: |
|000000f0| 6a 61 73 6f 6e 40 63 6e | 64 2e 68 70 2e 63 6f 6d |jason@cn|d.hp.com|
|00000100| 20 28 4a 61 73 6f 6e 20 | 5a 69 6f 6e 73 29 0a 4e | (Jason |Zions).N|
|00000110| 65 77 73 67 72 6f 75 70 | 73 3a 20 63 6f 6d 70 2e |ewsgroup|s: comp.|
|00000120| 73 74 64 2e 75 6e 69 78 | 0a 53 75 62 6a 65 63 74 |std.unix|.Subject|
|00000130| 3a 20 57 68 61 74 27 73 | 20 31 30 30 33 2e 38 20 |: What's| 1003.8 |
|00000140| 64 6f 69 6e 67 3f 20 28 | 57 61 73 20 52 65 3a 20 |doing? (|Was Re: |
|00000150| 6d 61 6b 65 20 44 4f 53 | 20 61 20 66 69 6c 65 73 |make DOS| a files|
|00000160| 79 73 74 65 6d 3f 29 0a | 4d 65 73 73 61 67 65 2d |ystem?).|Message-|
|00000170| 49 64 3a 20 3c 31 33 31 | 30 31 40 63 73 2e 75 74 |Id: <131|01@cs.ut|
|00000180| 65 78 61 73 2e 65 64 75 | 3e 0a 53 65 6e 64 65 72 |exas.edu|>.Sender|
|00000190| 3a 20 6a 73 71 40 63 73 | 2e 75 74 65 78 61 73 2e |: jsq@cs|.utexas.|
|000001a0| 65 64 75 0a 4f 72 67 61 | 6e 69 7a 61 74 69 6f 6e |edu.Orga|nization|
|000001b0| 3a 20 48 65 77 6c 65 74 | 74 20 50 61 63 6b 61 72 |: Hewlet|t Packar|
|000001c0| 64 2c 20 49 6e 66 6f 72 | 6d 61 74 69 6f 6e 20 4e |d, Infor|mation N|
|000001d0| 65 74 77 6f 72 6b 73 20 | 47 72 6f 75 70 0a 58 2d |etworks |Group.X-|
|000001e0| 53 75 62 6d 69 73 73 69 | 6f 6e 73 3a 20 73 74 64 |Submissi|ons: std|
|000001f0| 2d 75 6e 69 78 40 75 75 | 6e 65 74 2e 75 75 2e 6e |-unix@uu|net.uu.n|
|00000200| 65 74 0a 44 61 74 65 3a | 20 32 20 4f 63 74 20 39 |et.Date:| 2 Oct 9|
|00000210| 30 20 31 36 3a 35 30 3a | 30 39 20 47 4d 54 0a 52 |0 16:50:|09 GMT.R|
|00000220| 65 70 6c 79 2d 54 6f 3a | 20 73 74 64 2d 75 6e 69 |eply-To:| std-uni|
|00000230| 78 40 75 75 6e 65 74 2e | 75 75 2e 6e 65 74 0a 54 |x@uunet.|uu.net.T|
|00000240| 6f 3a 20 73 74 64 2d 75 | 6e 69 78 40 75 75 6e 65 |o: std-u|nix@uune|
|00000250| 74 2e 75 75 2e 6e 65 74 | 0a 0a 53 75 62 6d 69 74 |t.uu.net|..Submit|
|00000260| 74 65 64 2d 62 79 3a 20 | 6a 61 73 6f 6e 40 63 6e |ted-by: |jason@cn|
|00000270| 64 2e 68 70 2e 63 6f 6d | 20 28 4a 61 73 6f 6e 20 |d.hp.com| (Jason |
|00000280| 5a 69 6f 6e 73 29 0a 0a | 46 6f 72 20 31 30 30 33 |Zions)..|For 1003|
|00000290| 2e 38 20 53 75 62 73 65 | 74 20 54 46 41 2c 20 69 |.8 Subse|t TFA, i|
|000002a0| 74 20 69 73 20 28 69 6e | 20 6d 79 20 75 6e 64 65 |t is (in| my unde|
|000002b0| 72 73 74 61 6e 64 69 6e | 67 29 20 74 68 65 20 77 |rstandin|g) the w|
|000002c0| 6f 72 6b 69 6e 67 20 67 | 72 6f 75 70 27 73 0a 69 |orking g|roup's.i|
|000002d0| 6e 74 65 6e 74 20 74 6f | 20 70 72 6f 76 69 64 65 |ntent to| provide|
|000002e0| 20 69 6e 74 65 72 66 61 | 63 65 20 68 6f 6f 6b 73 | interfa|ce hooks|
|000002f0| 20 74 6f 20 70 65 72 6d | 69 74 20 61 6e 20 61 70 | to perm|it an ap|
|00000300| 70 6c 69 63 61 74 69 6f | 6e 20 74 6f 20 62 65 20 |plicatio|n to be |
|00000310| 77 72 69 74 74 65 6e 0a | 70 6f 72 74 61 62 6c 79 |written.|portably|
|00000320| 20 61 6e 64 20 69 6e 20 | 73 75 63 68 20 61 20 66 | and in |such a f|
|00000330| 61 73 68 69 6f 6e 20 61 | 73 20 74 6f 20 77 6f 72 |ashion a|s to wor|
|00000340| 6b 20 63 6f 72 72 65 63 | 74 6c 79 20 6f 76 65 72 |k correc|tly over|
|00000350| 20 2a 61 6e 79 2a 20 66 | 69 6c 65 20 73 68 61 72 | *any* f|ile shar|
|00000360| 69 6e 67 0a 6d 65 63 68 | 61 6e 69 73 6d 20 70 72 |ing.mech|anism pr|
|00000370| 6f 76 69 64 69 6e 67 20 | 73 65 6d 61 6e 74 69 63 |oviding |semantic|
|00000380| 73 20 61 74 20 6c 65 61 | 73 74 20 61 73 20 70 6f |s at lea|st as po|
|00000390| 77 65 72 66 75 6c 20 61 | 73 20 74 68 6f 73 65 20 |werful a|s those |
|000003a0| 72 65 71 75 69 72 65 64 | 20 62 79 0a 77 68 61 74 |required| by.what|
|000003b0| 20 77 65 27 72 65 20 63 | 61 6c 6c 69 6e 67 20 22 | we're c|alling "|
|000003c0| 43 6f 72 65 20 54 46 41 | 22 2e 20 54 68 65 20 43 |Core TFA|". The C|
|000003d0| 6f 72 65 20 69 73 20 77 | 65 61 6b 65 72 20 69 6e |ore is w|eaker in|
|000003e0| 20 73 65 6d 61 6e 74 69 | 63 73 20 74 68 61 6e 20 | semanti|cs than |
|000003f0| 4e 46 53 2c 0a 63 65 72 | 74 61 69 6e 6c 79 3b 20 |NFS,.cer|tainly; |
|00000400| 69 74 20 69 73 20 72 6f | 75 67 68 6c 79 20 65 71 |it is ro|ughly eq|
|00000410| 75 69 76 61 6c 65 6e 74 | 20 69 6e 20 70 6f 77 65 |uivalent| in powe|
|00000420| 72 20 74 6f 20 46 54 41 | 4d 20 75 73 69 6e 67 20 |r to FTA|M using |
|00000430| 61 20 76 65 72 79 0a 72 | 65 73 74 72 69 63 74 65 |a very.r|estricte|
|00000440| 64 20 73 65 74 20 6f 66 | 20 46 54 41 4d 20 46 69 |d set of| FTAM Fi|
|00000450| 6c 65 20 54 79 70 65 73 | 20 28 62 79 20 64 65 73 |le Types| (by des|
|00000460| 69 67 6e 21 29 3b 20 69 | 74 20 63 61 6e 20 62 65 |ign!); i|t can be|
|00000470| 20 6d 61 64 65 20 74 6f | 20 66 69 74 20 6f 6e 0a | made to| fit on.|
|00000480| 74 6f 70 20 6f 66 20 74 | 68 65 20 44 4f 53 20 66 |top of t|he DOS f|
|00000490| 69 6c 65 73 79 73 74 65 | 6d 2e 0a 0a 43 6f 6d 6d |ilesyste|m...Comm|
|000004a0| 6f 6e 20 70 72 61 63 74 | 69 63 65 20 69 73 20 74 |on pract|ice is t|
|000004b0| 6f 20 73 69 6d 70 6c 79 | 20 68 61 63 6b 20 61 6e |o simply| hack an|
|000004c0| 64 20 74 77 65 61 6b 20 | 6f 6e 65 27 73 20 69 6d |d tweak |one's im|
|000004d0| 70 6c 65 6d 65 6e 74 61 | 74 69 6f 6e 20 74 6f 20 |plementa|tion to |
|000004e0| 66 69 74 0a 6f 76 65 72 | 20 74 68 69 73 20 77 68 |fit.over| this wh|
|000004f0| 6f 6c 65 20 73 65 74 20 | 6f 66 20 77 65 61 6b 65 |ole set |of weake|
|00000500| 72 20 66 69 6c 65 73 79 | 73 74 65 6d 73 2e 20 43 |r filesy|stems. C|
|00000510| 6f 6d 6d 6f 6e 20 70 72 | 61 63 74 69 63 65 20 69 |ommon pr|actice i|
|00000520| 73 20 6e 6f 74 20 74 6f | 20 77 61 72 6e 0a 70 72 |s not to| warn.pr|
|00000530| 6f 67 72 61 6d 6d 65 72 | 73 20 74 68 61 74 20 66 |ogrammer|s that f|
|00000540| 69 6c 65 73 20 61 63 63 | 65 73 73 65 64 20 6f 76 |iles acc|essed ov|
|00000550| 65 72 20 73 6f 6d 65 20 | 6e 65 74 77 6f 72 6b 20 |er some |network |
|00000560| 66 69 6c 65 20 73 68 61 | 72 69 6e 67 20 6d 65 63 |file sha|ring mec|
|00000570| 68 61 6e 69 73 6d 0a 6d | 69 67 68 74 20 62 65 68 |hanism.m|ight beh|
|00000580| 61 76 65 20 2a 64 69 66 | 66 65 72 65 6e 74 6c 79 |ave *dif|ferently|
|00000590| 2a 20 66 72 6f 6d 20 66 | 69 6c 65 73 20 61 63 63 |* from f|iles acc|
|000005a0| 65 73 73 65 64 20 6c 6f | 63 61 6c 6c 79 2e 20 43 |essed lo|cally. C|
|000005b0| 6f 6d 6d 6f 6e 20 70 72 | 61 63 74 69 63 65 20 66 |ommon pr|actice f|
|000005c0| 6f 72 0a 6d 6f 73 74 20 | 6e 6f 6e 2d 50 4f 53 49 |or.most |non-POSI|
|000005d0| 58 20 66 69 6c 65 73 79 | 73 74 65 6d 73 20 69 73 |X filesy|stems is|
|000005e0| 20 74 6f 20 75 73 65 20 | 6f 62 73 63 75 72 65 20 | to use |obscure |
|000005f0| 6f 72 20 70 72 6f 70 72 | 69 65 74 61 72 79 20 69 |or propr|ietary i|
|00000600| 6e 74 65 72 66 61 63 65 | 73 20 66 6f 72 0a 63 6f |nterface|s for.co|
|00000610| 6e 74 72 6f 6c 6c 69 6e | 67 20 74 68 6f 73 65 20 |ntrollin|g those |
|00000620| 69 6e 74 65 72 66 61 63 | 65 73 2c 20 77 68 65 6e |interfac|es, when|
|00000630| 20 63 6f 6e 74 72 6f 6c | 20 69 6e 74 65 72 66 61 | control| interfa|
|00000640| 63 65 73 20 61 72 65 20 | 70 72 6f 76 69 64 65 64 |ces are |provided|
|00000650| 20 61 74 20 61 6c 6c 2e | 0a 0a 57 65 20 65 78 70 | at all.|..We exp|
|00000660| 65 63 74 20 74 6f 20 74 | 69 65 20 69 6e 74 6f 20 |ect to t|ie into |
|00000670| 31 30 30 33 2e 31 20 61 | 6e 64 20 31 30 30 33 2e |1003.1 a|nd 1003.|
|00000680| 34 20 6d 65 63 68 61 6e | 69 73 6d 73 20 74 6f 20 |4 mechan|isms to |
|00000690| 70 65 72 6d 69 74 20 61 | 70 70 6c 69 63 61 74 69 |permit a|pplicati|
|000006a0| 6f 6e 73 0a 74 6f 20 62 | 65 20 77 72 69 74 74 65 |ons.to b|e writte|
|000006b0| 6e 20 74 6f 20 75 73 65 | 20 73 74 61 6e 64 61 72 |n to use| standar|
|000006c0| 64 20 69 6e 74 65 72 66 | 61 63 65 73 20 74 6f 20 |d interf|aces to |
|000006d0| 63 6f 6e 74 72 6f 6c 20 | 74 68 69 6e 67 73 2e 20 |control |things. |
|000006e0| 55 73 65 20 70 61 74 68 | 63 6f 6e 66 28 29 0a 74 |Use path|conf().t|
|000006f0| 6f 20 74 65 6c 6c 20 69 | 66 20 61 20 70 61 72 74 |o tell i|f a part|
|00000700| 69 63 75 6c 61 72 20 66 | 69 6c 65 20 61 63 63 65 |icular f|ile acce|
|00000710| 73 73 20 73 65 6d 61 6e | 74 69 63 20 66 72 6f 6d |ss seman|tic from|
|00000720| 20 31 30 30 33 2e 31 20 | 69 73 20 61 76 61 69 6c | 1003.1 |is avail|
|00000730| 61 62 6c 65 2e 20 41 64 | 64 0a 61 20 6e 65 77 20 |able. Ad|d.a new |
|00000740| 69 6e 74 65 72 66 61 63 | 65 20 67 69 76 69 6e 67 |interfac|e giving|
|00000750| 20 61 6e 20 61 70 70 6c | 69 63 61 74 69 6f 6e 20 | an appl|ication |
|00000760| 63 6f 6e 74 72 6f 6c 20 | 6f 76 65 72 20 77 68 65 |control |over whe|
|00000770| 74 68 65 72 20 69 74 20 | 63 61 6e 20 61 63 63 65 |ther it |can acce|
|00000780| 73 73 0a 66 69 6c 65 73 | 20 6f 76 65 72 20 6d 65 |ss.files| over me|
|00000790| 63 68 61 6e 69 73 6d 73 | 20 6e 6f 74 20 73 75 70 |chanisms| not sup|
|000007a0| 70 6f 72 74 69 6e 67 20 | 46 75 6c 6c 20 54 46 41 |porting |Full TFA|
|000007b0| 2e 0a 0a 57 65 20 65 78 | 70 65 63 74 20 74 6f 20 |...We ex|pect to |
|000007c0| 2a 63 6c 65 61 72 6c 79 | 2a 20 64 65 6c 69 6e 65 |*clearly|* deline|
|000007d0| 61 74 65 20 69 6e 20 74 | 68 65 20 53 75 62 73 65 |ate in t|he Subse|
|000007e0| 74 20 54 46 41 20 73 74 | 61 6e 64 61 72 64 20 2a |t TFA st|andard *|
|000007f0| 65 78 61 63 74 6c 79 2a | 20 77 68 61 74 0a 73 65 |exactly*| what.se|
|00000800| 6d 61 6e 74 69 63 73 20 | 73 6f 6d 65 20 69 6e 74 |mantics |some int|
|00000810| 65 72 66 61 63 65 20 6d | 75 73 74 20 70 72 6f 76 |erface m|ust prov|
|00000820| 69 64 65 20 69 66 20 69 | 74 20 63 6c 61 69 6d 73 |ide if i|t claims|
|00000830| 20 74 6f 20 73 75 70 70 | 6f 72 74 20 61 20 70 61 | to supp|ort a pa|
|00000840| 72 74 69 63 75 6c 61 72 | 0a 73 65 6d 61 6e 74 69 |rticular|.semanti|
|00000850| 63 20 66 65 61 74 75 72 | 65 2e 20 41 6e 20 61 70 |c featur|e. An ap|
|00000860| 70 6c 69 63 61 74 69 6f | 6e 20 63 61 6e 20 73 61 |plicatio|n can sa|
|00000870| 79 20 22 49 66 20 49 20 | 6f 70 65 6e 20 61 6e 64 |y "If I |open and|
|00000880| 20 75 6e 6c 69 6e 6b 20 | 74 68 69 73 20 66 69 6c | unlink |this fil|
|00000890| 65 2c 0a 77 69 6c 6c 20 | 49 20 72 65 74 61 69 6e |e,.will |I retain|
|000008a0| 20 61 63 63 65 73 73 20 | 69 6e 20 61 6c 6c 20 63 | access |in all c|
|000008b0| 69 72 63 75 6d 73 74 61 | 6e 63 65 73 20 75 6e 74 |ircumsta|nces unt|
|000008c0| 69 6c 20 49 20 63 6c 6f | 73 65 20 69 74 3f 22 20 |il I clo|se it?" |
|000008d0| 61 6e 64 20 67 65 74 20 | 61 0a 6d 65 61 6e 69 6e |and get |a.meanin|
|000008e0| 67 66 75 6c 20 61 6e 73 | 77 65 72 2e 0a 0a 57 65 |gful ans|wer...We|
|000008f0| 20 6c 6f 6f 6b 65 64 20 | 61 74 20 74 68 65 20 67 | looked |at the g|
|00000900| 61 70 20 62 65 74 77 65 | 65 6e 20 46 75 6c 6c 20 |ap betwe|en Full |
|00000910| 54 46 41 20 28 69 2e 65 | 2e 20 31 30 30 33 2e 31 |TFA (i.e|. 1003.1|
|00000920| 29 20 61 6e 64 20 53 75 | 62 73 65 74 20 54 46 41 |) and Su|bset TFA|
|00000930| 20 28 62 61 73 65 64 0a | 6f 6e 20 46 54 41 4d 29 | (based.|on FTAM)|
|00000940| 20 61 6e 64 20 62 72 6f | 6b 65 20 69 74 20 64 6f | and bro|ke it do|
|00000950| 77 6e 20 69 6e 74 6f 20 | 61 20 73 65 74 20 6f 66 |wn into |a set of|
|00000960| 20 6c 6f 67 69 63 61 6c | 6c 79 2d 72 65 6c 61 74 | logical|ly-relat|
|00000970| 65 64 20 62 65 68 61 76 | 69 6f 72 73 2e 20 57 65 |ed behav|iors. We|
|00000980| 27 76 65 0a 63 61 6c 6c | 65 64 20 74 68 65 73 65 |'ve.call|ed these|
|00000990| 20 73 65 74 73 20 22 66 | 75 6e 63 74 69 6f 6e 61 | sets "f|unctiona|
|000009a0| 6c 20 62 6c 6f 63 6b 73 | 22 2e 20 4d 61 6e 79 20 |l blocks|". Many |
|000009b0| 6f 66 20 74 68 65 73 65 | 20 66 75 6e 63 74 69 6f |of these| functio|
|000009c0| 6e 61 6c 20 62 6c 6f 63 | 6b 73 20 61 72 65 0a 74 |nal bloc|ks are.t|
|000009d0| 69 65 64 20 69 6e 74 6f | 20 63 6f 6e 73 74 72 61 |ied into| constra|
|000009e0| 69 6e 74 73 20 69 6e 20 | 31 30 30 33 2e 31 3b 20 |ints in |1003.1; |
|000009f0| 69 66 20 61 20 6d 65 63 | 68 61 6e 69 73 6d 20 64 |if a mec|hanism d|
|00000a00| 6f 65 73 20 6e 6f 74 20 | 63 6c 61 69 6d 20 74 6f |oes not |claim to|
|00000a10| 20 73 75 70 70 6f 72 74 | 0a 6f 6e 65 20 6f 66 20 | support|.one of |
|00000a20| 74 68 6f 73 65 20 66 75 | 6e 63 74 69 6f 6e 61 6c |those fu|nctional|
|00000a30| 20 62 6c 6f 63 6b 73 2c | 20 74 68 65 20 6d 65 61 | blocks,| the mea|
|00000a40| 6e 69 6e 67 20 69 73 20 | 74 68 61 74 20 73 6f 6d |ning is |that som|
|00000a50| 65 20 63 6f 6e 73 74 72 | 61 69 6e 74 20 77 69 74 |e constr|aint wit|
|00000a60| 68 69 6e 0a 31 30 30 33 | 2e 31 20 68 61 73 20 62 |hin.1003|.1 has b|
|00000a70| 65 65 6e 20 72 65 6c 61 | 78 65 64 20 75 6e 64 65 |een rela|xed unde|
|00000a80| 72 20 74 68 69 73 20 6d | 65 63 68 61 6e 69 73 6d |r this m|echanism|
|00000a90| 2e 20 54 68 65 20 6c 69 | 73 74 20 6f 66 20 66 75 |. The li|st of fu|
|00000aa0| 6e 63 74 69 6f 6e 61 6c | 20 62 6c 6f 63 6b 73 0a |nctional| blocks.|
|00000ab0| 77 65 27 72 65 20 63 75 | 72 72 65 6e 74 6c 79 20 |we're cu|rrently |
|00000ac0| 6c 6f 6f 6b 69 6e 67 20 | 61 74 20 63 61 6e 20 62 |looking |at can b|
|00000ad0| 65 20 66 6f 75 6e 64 20 | 69 6e 20 31 30 30 33 2e |e found |in 1003.|
|00000ae0| 38 20 44 33 2c 20 61 76 | 61 69 6c 61 62 6c 65 20 |8 D3, av|ailable |
|00000af0| 66 72 6f 6d 20 74 68 65 | 0a 75 73 75 61 6c 20 73 |from the|.usual s|
|00000b00| 6f 75 72 63 65 2e 0a 0a | 54 68 65 20 70 72 6f 67 |ource...|The prog|
|00000b10| 72 61 6d 6d 69 6e 67 20 | 6d 6f 64 65 6c 20 66 6f |ramming |model fo|
|00000b20| 72 20 53 75 62 73 65 74 | 20 54 46 41 20 69 73 20 |r Subset| TFA is |
|00000b30| 62 61 73 65 64 20 6f 6e | 20 69 6e 71 75 69 72 79 |based on| inquiry|
|00000b40| 20 61 62 6f 75 74 20 67 | 75 61 72 61 6e 74 65 65 | about g|uarantee|
|00000b50| 73 2e 0a 4f 6e 20 61 20 | 31 30 30 33 2e 38 2d 63 |s..On a |1003.8-c|
|00000b60| 6f 6d 70 6c 69 61 6e 74 | 20 73 79 73 74 65 6d 2c |ompliant| system,|
|00000b70| 20 6e 6f 20 61 70 70 6c | 69 63 61 74 69 6f 6e 20 | no appl|ication |
|00000b80| 69 73 20 70 65 72 6d 69 | 74 74 65 64 20 74 6f 20 |is permi|tted to |
|00000b90| 70 65 72 66 6f 72 6d 0a | 6f 70 65 72 61 74 69 6f |perform.|operatio|
|00000ba0| 6e 73 20 6f 6e 20 66 69 | 6c 65 73 20 6e 6f 74 20 |ns on fi|les not |
|00000bb0| 73 75 70 70 6f 72 74 69 | 6e 67 20 66 75 6c 6c 20 |supporti|ng full |
|00000bc0| 31 30 30 33 2e 31 20 73 | 65 6d 61 6e 74 69 63 73 |1003.1 s|emantics|
|00000bd0| 20 2a 75 6e 6c 65 73 73 | 20 61 6e 64 20 75 6e 74 | *unless| and unt|
|00000be0| 69 6c 2a 0a 74 68 65 20 | 61 70 70 6c 69 63 61 74 |il*.the |applicat|
|00000bf0| 69 6f 6e 20 2a 73 70 65 | 63 69 66 69 63 61 6c 6c |ion *spe|cificall|
|00000c00| 79 2a 20 61 75 74 68 6f | 72 69 7a 65 73 20 73 75 |y* autho|rizes su|
|00000c10| 63 68 20 73 75 62 73 65 | 74 20 62 65 68 61 76 69 |ch subse|t behavi|
|00000c20| 6f 72 2e 20 54 68 61 74 | 0a 61 75 74 68 6f 72 69 |or. That|.authori|
|00000c30| 7a 61 74 69 6f 6e 20 63 | 61 6e 20 62 65 20 67 72 |zation c|an be gr|
|00000c40| 61 6e 74 65 64 20 70 72 | 6f 63 65 73 73 2d 77 69 |anted pr|ocess-wi|
|00000c50| 64 65 20 6f 72 20 6f 6e | 20 61 20 66 69 6c 65 2d |de or on| a file-|
|00000c60| 62 79 2d 66 69 6c 65 20 | 62 61 73 69 73 2e 0a 0a |by-file |basis...|
|00000c70| 4f 6e 63 65 20 73 75 62 | 73 65 74 20 73 65 6d 61 |Once sub|set sema|
|00000c80| 6e 74 69 63 73 20 61 72 | 65 20 61 75 74 68 6f 72 |ntics ar|e author|
|00000c90| 69 7a 65 64 2c 20 74 68 | 65 20 69 6d 70 6c 65 6d |ized, th|e implem|
|00000ca0| 65 6e 74 61 74 69 6f 6e | 20 70 65 72 6d 69 74 73 |entation| permits|
|00000cb0| 20 61 63 63 65 73 73 20 | 74 6f 0a 61 6e 79 20 66 | access |to.any f|
|00000cc0| 69 6c 65 20 77 68 6f 73 | 65 20 61 63 63 65 73 73 |ile whos|e access|
|00000cd0| 20 6d 65 63 68 61 6e 69 | 73 6d 20 73 75 70 70 6f | mechani|sm suppo|
|00000ce0| 72 74 73 20 2a 61 74 20 | 6c 65 61 73 74 2a 20 43 |rts *at |least* C|
|00000cf0| 6f 72 65 20 53 75 62 73 | 65 74 20 73 65 6d 61 6e |ore Subs|et seman|
|00000d00| 74 69 63 73 2e 0a 54 68 | 65 20 61 70 70 6c 69 63 |tics..Th|e applic|
|00000d10| 61 74 69 6f 6e 20 69 73 | 20 5f 61 5f 70 72 69 6f |ation is| _a_prio|
|00000d20| 72 69 5f 20 67 75 61 72 | 61 6e 74 65 65 64 20 6f |ri_ guar|anteed o|
|00000d30| 6e 6c 79 20 74 68 6f 73 | 65 20 43 6f 72 65 20 73 |nly thos|e Core s|
|00000d40| 65 6d 61 6e 74 69 63 73 | 2e 20 46 6f 72 20 61 0a |emantics|. For a.|
|00000d50| 67 69 76 65 6e 20 66 69 | 6c 65 2c 20 74 68 65 20 |given fi|le, the |
|00000d60| 61 70 70 6c 69 63 61 74 | 69 6f 6e 20 63 61 6e 20 |applicat|ion can |
|00000d70| 69 6e 71 75 69 72 65 20 | 61 62 6f 75 74 20 77 68 |inquire |about wh|
|00000d80| 61 74 20 6f 74 68 65 72 | 20 73 65 6d 61 6e 74 69 |at other| semanti|
|00000d90| 63 73 20 61 62 6f 76 65 | 0a 61 6e 64 20 62 65 79 |cs above|.and bey|
|00000da0| 6f 6e 64 20 43 6f 72 65 | 20 73 65 6d 61 6e 74 69 |ond Core| semanti|
|00000db0| 63 73 20 61 72 65 20 67 | 75 61 72 61 6e 74 65 65 |cs are g|uarantee|
|00000dc0| 64 20 62 79 20 74 68 65 | 20 6d 65 63 68 61 6e 69 |d by the| mechani|
|00000dd0| 73 6d 20 75 73 65 64 20 | 74 6f 20 61 63 63 65 73 |sm used |to acces|
|00000de0| 73 0a 74 68 65 20 66 69 | 6c 65 2e 20 49 66 20 61 |s.the fi|le. If a|
|00000df0| 6e 20 61 70 70 6c 69 63 | 61 74 69 6f 6e 20 64 6f |n applic|ation do|
|00000e00| 65 73 6e 27 74 20 6c 69 | 6b 65 20 74 68 65 20 73 |esn't li|ke the s|
|00000e10| 65 6d 61 6e 74 69 63 73 | 20 61 76 61 69 6c 61 62 |emantics| availab|
|00000e20| 6c 65 20 20 66 6f 72 20 | 61 0a 67 69 76 65 6e 20 |le for |a.given |
|00000e30| 66 69 6c 65 2c 20 69 74 | 20 6b 6e 6f 77 73 20 75 |file, it| knows u|
|00000e40| 70 20 66 72 6f 6e 74 3b | 20 69 74 20 63 61 6e 20 |p front;| it can |
|00000e50| 62 61 69 6c 20 6f 75 74 | 2c 20 75 73 65 20 77 6f |bail out|, use wo|
|00000e60| 72 6b 61 72 6f 75 6e 64 | 73 2c 20 77 68 61 74 65 |rkaround|s, whate|
|00000e70| 76 65 72 2e 0a 0a 45 78 | 61 6d 70 6c 65 3a 20 41 |ver...Ex|ample: A|
|00000e80| 6e 20 75 6e 6d 6f 64 69 | 66 69 65 64 20 31 30 30 |n unmodi|fied 100|
|00000e90| 33 2e 31 2d 63 6f 6d 70 | 6c 69 61 6e 74 20 61 70 |3.1-comp|liant ap|
|00000ea0| 70 6c 69 63 61 74 69 6f | 6e 2c 20 72 75 6e 6e 69 |plicatio|n, runni|
|00000eb0| 6e 67 20 6f 6e 20 61 20 | 73 79 73 74 65 6d 0a 70 |ng on a |system.p|
|00000ec0| 72 6f 76 69 64 69 6e 67 | 20 74 68 65 20 31 30 30 |roviding| the 100|
|00000ed0| 33 2e 38 20 69 6e 74 65 | 72 66 61 63 65 2c 20 77 |3.8 inte|rface, w|
|00000ee0| 69 6c 6c 20 2a 6e 65 76 | 65 72 2a 20 62 65 20 70 |ill *nev|er* be p|
|00000ef0| 65 72 6d 69 74 74 65 64 | 20 74 6f 20 6f 70 65 72 |ermitted| to oper|
|00000f00| 61 74 65 20 6f 6e 20 61 | 0a 66 69 6c 65 20 77 68 |ate on a|.file wh|
|00000f10| 6f 73 65 20 61 63 63 65 | 73 73 20 6d 65 63 68 61 |ose acce|ss mecha|
|00000f20| 6e 69 73 6d 20 66 61 69 | 6c 73 20 74 6f 20 70 72 |nism fai|ls to pr|
|00000f30| 6f 76 64 65 20 66 75 6c | 6c 20 31 30 30 33 2e 31 |ovde ful|l 1003.1|
|00000f40| 20 73 65 6d 61 6e 74 69 | 63 73 2e 0a 28 4f 70 65 | semanti|cs..(Ope|
|00000f50| 72 61 74 69 6f 6e 73 20 | 77 69 6c 6c 20 66 61 69 |rations |will fai|
|00000f60| 6c 20 77 69 74 68 20 61 | 20 6e 65 77 20 65 72 72 |l with a| new err|
|00000f70| 6f 72 3b 20 49 20 74 68 | 69 6e 6b 20 77 65 27 72 |or; I th|ink we'r|
|00000f80| 65 20 6c 6f 6f 6b 69 6e | 67 20 61 74 20 75 73 69 |e lookin|g at usi|
|00000f90| 6e 67 0a 45 4f 50 4e 4f | 54 53 55 50 50 2e 29 0a |ng.EOPNO|TSUPP.).|
|00000fa0| 0a 28 59 6f 75 20 72 65 | 61 6c 69 7a 65 2c 20 6f |.(You re|alize, o|
|00000fb0| 66 20 63 6f 75 72 73 65 | 2c 20 74 68 61 74 20 2a |f course|, that *|
|00000fc0| 73 6f 6d 65 74 68 69 6e | 67 2a 20 63 65 61 73 65 |somethin|g* cease|
|00000fd0| 73 20 74 6f 20 63 6f 6e | 66 6f 72 6d 20 77 68 65 |s to con|form whe|
|00000fe0| 6e 65 76 65 72 20 61 0a | 73 74 72 69 63 74 6c 79 |never a.|strictly|
|00000ff0| 2d 63 6f 6e 66 6f 72 6d | 69 6e 67 20 50 4f 53 49 |-conform|ing POSI|
|00001000| 58 20 61 70 70 6c 69 63 | 61 74 69 6f 6e 20 6f 70 |X applic|ation op|
|00001010| 65 6e 73 20 61 6e 20 4e | 46 53 20 66 69 6c 65 20 |ens an N|FS file |
|00001020| 6f 6e 20 61 20 50 4f 53 | 49 58 20 73 79 73 74 65 |on a POS|IX syste|
|00001030| 6d 3b 0a 74 68 61 74 20 | 61 70 70 6c 69 63 61 74 |m;.that |applicat|
|00001040| 69 6f 6e 20 63 65 61 73 | 65 73 20 74 6f 20 72 65 |ion ceas|es to re|
|00001050| 63 65 69 76 65 20 73 65 | 6d 61 6e 74 69 63 73 20 |ceive se|mantics |
|00001060| 67 75 61 72 61 6e 74 65 | 65 64 20 62 79 20 31 30 |guarante|ed by 10|
|00001070| 30 33 2e 31 2e 20 57 68 | 6f 27 73 20 61 74 0a 66 |03.1. Wh|o's at.f|
|00001080| 61 75 6c 74 3a 20 74 68 | 65 20 73 79 73 74 65 6d |ault: th|e system|
|00001090| 2c 20 66 6f 72 20 70 65 | 72 6d 69 74 74 69 6e 67 |, for pe|rmitting|
|000010a0| 20 74 68 65 20 61 70 70 | 6c 69 63 61 74 69 6f 6e | the app|lication|
|000010b0| 20 74 6f 20 6f 70 65 6e | 20 74 68 65 20 66 69 6c | to open| the fil|
|000010c0| 65 2c 20 6f 72 20 74 68 | 65 0a 61 70 70 6c 69 63 |e, or th|e.applic|
|000010d0| 61 74 69 6f 6e 2c 20 66 | 6f 72 20 6e 6f 74 20 6d |ation, f|or not m|
|000010e0| 61 6b 69 6e 67 20 73 75 | 72 65 20 69 74 20 67 65 |aking su|re it ge|
|000010f0| 74 73 20 77 68 61 74 20 | 69 74 20 74 68 6f 75 67 |ts what |it thoug|
|00001100| 68 74 20 69 74 20 67 6f | 74 3f 29 0a 0a 45 78 61 |ht it go|t?)..Exa|
|00001110| 6d 70 6c 65 3a 20 41 20 | 31 30 30 33 2e 31 2d 63 |mple: A |1003.1-c|
|00001120| 6f 6d 70 6c 69 61 6e 74 | 20 61 70 70 6c 69 63 61 |ompliant| applica|
|00001130| 74 69 6f 6e 2c 20 77 68 | 69 63 68 20 68 61 73 20 |tion, wh|ich has |
|00001140| 68 61 64 20 61 20 73 69 | 6e 67 6c 65 20 63 61 6c |had a si|ngle cal|
|00001150| 6c 20 61 64 64 65 64 0a | 74 6f 20 69 74 20 74 6f |l added.|to it to|
|00001160| 20 61 75 74 68 6f 72 69 | 7a 65 20 73 75 62 73 65 | authori|ze subse|
|00001170| 74 2d 73 65 6d 61 6e 74 | 69 63 20 62 65 68 61 76 |t-semant|ic behav|
|00001180| 69 6f 72 20 62 75 74 20 | 68 61 73 20 68 61 64 20 |ior but |has had |
|00001190| 6e 6f 20 6f 74 68 65 72 | 0a 6d 6f 64 69 66 69 63 |no other|.modific|
|000011a0| 61 74 69 6f 6e 73 2c 20 | 77 69 6c 6c 20 62 65 20 |ations, |will be |
|000011b0| 70 65 72 6d 69 74 74 65 | 64 20 74 6f 20 6f 70 65 |permitte|d to ope|
|000011c0| 72 61 74 65 20 6f 6e 20 | 61 6e 79 20 66 69 6c 65 |rate on |any file|
|000011d0| 20 77 68 6f 73 65 20 61 | 63 63 65 73 73 0a 6d 65 | whose a|ccess.me|
|000011e0| 63 68 61 6e 69 73 6d 20 | 70 72 6f 76 69 64 65 73 |chanism |provides|
|000011f0| 20 61 74 20 6c 65 61 73 | 74 20 43 6f 72 65 20 53 | at leas|t Core S|
|00001200| 75 62 73 65 74 20 73 65 | 6d 61 6e 74 69 63 73 2e |ubset se|mantics.|
|00001210| 0a 0a 28 4d 61 6e 79 20 | 70 72 6f 67 72 61 6d 73 |..(Many |programs|
|00001220| 20 77 69 6c 6c 20 62 65 | 20 77 72 69 74 74 65 6e | will be| written|
|00001230| 20 6a 75 73 74 20 74 68 | 69 73 20 77 61 79 2e 20 | just th|is way. |
|00001240| 57 65 27 72 65 20 77 72 | 65 73 74 6c 69 6e 67 20 |We're wr|estling |
|00001250| 77 69 74 68 20 73 6f 6d | 65 0a 69 73 73 75 65 73 |with som|e.issues|
|00001260| 20 68 65 72 65 3a 20 53 | 68 6f 75 6c 64 20 70 72 | here: S|hould pr|
|00001270| 6f 63 65 73 73 2d 77 69 | 64 65 20 61 75 74 68 6f |ocess-wi|de autho|
|00001280| 72 69 7a 61 74 69 6f 6e | 20 62 65 20 69 6e 68 65 |rization| be inhe|
|00001290| 72 69 74 61 62 6c 65 20 | 6f 76 65 72 20 66 6f 72 |ritable |over for|
|000012a0| 6b 28 29 3f 0a 57 65 20 | 74 68 69 6e 6b 20 79 65 |k()?.We |think ye|
|000012b0| 73 2e 20 4f 76 65 72 20 | 65 78 65 63 28 29 3f 20 |s. Over |exec()? |
|000012c0| 57 65 20 74 68 69 6e 6b | 20 6e 6f 74 2e 20 53 68 |We think| not. Sh|
|000012d0| 6f 75 6c 64 20 74 68 65 | 72 65 20 62 65 20 61 6e |ould the|re be an|
|000012e0| 20 65 78 74 65 72 6e 61 | 6c 0a 61 75 74 68 6f 72 | externa|l.author|
|000012f0| 69 7a 61 74 69 6f 6e 20 | 6d 65 63 68 61 6e 69 73 |ization |mechanis|
|00001300| 6d 20 6e 6f 74 20 72 65 | 71 75 69 72 69 6e 67 20 |m not re|quiring |
|00001310| 63 6f 64 65 20 63 68 61 | 6e 67 65 73 20 61 6e 64 |code cha|nges and|
|00001320| 20 72 65 63 6f 6d 70 69 | 6c 65 73 3f 20 57 65 20 | recompi|les? We |
|00001330| 64 6f 6e 27 74 0a 6b 6e | 6f 77 2e 29 0a 0a 45 78 |don't.kn|ow.)..Ex|
|00001340| 61 6d 70 6c 65 3a 20 41 | 6e 20 61 70 70 6c 69 63 |ample: A|n applic|
|00001350| 61 74 69 6f 6e 20 6d 69 | 67 68 74 20 6e 65 65 64 |ation mi|ght need|
|00001360| 20 6f 6e 6c 79 20 74 68 | 65 20 61 62 69 6c 69 74 | only th|e abilit|
|00001370| 79 20 74 6f 20 73 65 65 | 6b 20 74 6f 20 61 6e 20 |y to see|k to an |
|00001380| 61 72 62 69 74 72 61 72 | 79 0a 6c 6f 63 61 74 69 |arbitrar|y.locati|
|00001390| 6f 6e 20 69 6e 20 61 20 | 66 69 6c 65 20 61 6e 64 |on in a |file and|
|000013a0| 20 77 72 69 74 65 20 61 | 74 20 74 68 61 74 20 70 | write a|t that p|
|000013b0| 6f 69 6e 74 2e 20 49 74 | 20 77 6f 75 6c 64 20 66 |oint. It| would f|
|000013c0| 69 72 73 74 20 6f 70 65 | 6e 20 74 68 65 20 66 69 |irst ope|n the fi|
|000013d0| 6c 65 2c 0a 61 75 74 68 | 6f 72 69 7a 69 6e 67 20 |le,.auth|orizing |
|000013e0| 73 75 62 73 65 74 20 73 | 65 6d 61 6e 74 69 63 73 |subset s|emantics|
|000013f0| 2e 20 49 74 20 6d 69 67 | 68 74 20 74 68 65 6e 20 |. It mig|ht then |
|00001400| 69 6e 71 75 69 72 65 20 | 28 75 73 69 6e 67 20 70 |inquire |(using p|
|00001410| 61 74 68 63 6f 6e 66 28 | 29 29 20 69 66 0a 74 68 |athconf(|)) if.th|
|00001420| 65 20 6d 65 63 68 61 6e | 69 73 6d 20 75 73 65 64 |e mechan|ism used|
|00001430| 20 74 6f 20 61 63 63 65 | 73 73 20 74 68 65 20 66 | to acce|ss the f|
|00001440| 69 6c 65 20 73 75 70 70 | 6f 72 74 65 64 20 73 65 |ile supp|orted se|
|00001450| 65 6b 73 2e 20 49 66 20 | 73 6f 2c 20 69 74 20 77 |eks. If |so, it w|
|00001460| 6f 75 6c 64 0a 73 69 6d | 70 6c 79 20 73 65 65 6b |ould.sim|ply seek|
|00001470| 2c 20 77 72 69 74 65 2c | 20 61 6e 64 20 63 6c 6f |, write,| and clo|
|00001480| 73 65 2e 20 20 4f 74 68 | 65 72 77 69 73 65 2c 20 |se. Oth|erwise, |
|00001490| 69 74 20 6d 69 67 68 74 | 20 6f 70 65 6e 20 61 20 |it might| open a |
|000014a0| 74 65 6d 70 6f 72 61 72 | 79 20 66 69 6c 65 0a 69 |temporar|y file.i|
|000014b0| 6e 20 74 68 65 20 73 61 | 6d 65 20 64 69 72 65 63 |n the sa|me direc|
|000014c0| 74 6f 72 79 20 61 73 20 | 74 68 65 20 73 6f 75 72 |tory as |the sour|
|000014d0| 63 65 2c 20 63 6f 70 79 | 20 74 68 65 20 63 6f 6e |ce, copy| the con|
|000014e0| 74 65 6e 74 73 20 6f 66 | 20 74 68 65 20 66 69 6c |tents of| the fil|
|000014f0| 65 20 75 70 20 74 6f 0a | 74 68 65 20 73 65 65 6b |e up to.|the seek|
|00001500| 20 70 6f 69 6e 74 2c 20 | 74 68 65 6e 20 77 72 69 | point, |then wri|
|00001510| 74 65 20 74 68 65 20 64 | 61 74 61 20 69 74 20 77 |te the d|ata it w|
|00001520| 61 6e 74 65 64 20 74 6f | 2c 20 74 68 65 6e 20 77 |anted to|, then w|
|00001530| 72 69 74 65 20 74 68 65 | 20 72 65 73 74 20 6f 66 |rite the| rest of|
|00001540| 0a 74 68 65 20 73 6f 75 | 72 63 65 3b 20 66 69 6e |.the sou|rce; fin|
|00001550| 61 6c 6c 79 2c 20 64 65 | 73 74 72 6f 79 20 74 68 |ally, de|stroy th|
|00001560| 65 20 73 6f 75 72 63 65 | 20 66 69 6c 65 20 61 6e |e source| file an|
|00001570| 64 20 6d 6f 76 65 20 74 | 68 65 20 63 6f 70 79 20 |d move t|he copy |
|00001580| 6f 6e 20 74 6f 70 20 6f | 66 0a 69 74 2e 20 42 65 |on top o|f.it. Be|
|00001590| 68 61 76 69 6f 72 20 69 | 73 20 74 68 65 20 73 61 |havior i|s the sa|
|000015a0| 6d 65 2c 20 62 75 74 20 | 70 65 72 66 6f 72 6d 61 |me, but |performa|
|000015b0| 6e 63 65 20 69 73 20 6c | 6f 77 65 72 20 69 6e 20 |nce is l|ower in |
|000015c0| 74 68 65 20 73 65 63 6f | 6e 64 20 63 61 73 65 3b |the seco|nd case;|
|000015d0| 0a 6e 6f 6e 65 74 68 65 | 6c 65 73 73 2c 20 74 68 |.nonethe|less, th|
|000015e0| 65 20 61 70 70 6c 69 63 | 61 74 69 6f 6e 20 63 61 |e applic|ation ca|
|000015f0| 6e 20 62 65 20 77 72 69 | 74 74 65 6e 20 2a 70 6f |n be wri|tten *po|
|00001600| 72 74 61 62 6c 79 2a 20 | 74 6f 20 62 65 68 61 76 |rtably* |to behav|
|00001610| 65 20 69 6e 20 74 68 65 | 0a 6d 6f 73 74 20 65 66 |e in the|.most ef|
|00001620| 66 69 63 69 65 6e 74 20 | 6d 61 6e 6e 65 72 20 70 |ficient |manner p|
|00001630| 6f 73 73 69 62 6c 65 2e | 20 20 28 4e 6f 74 65 20 |ossible.| (Note |
|00001640| 74 68 61 74 20 46 54 41 | 4d 20 54 79 70 65 20 31 |that FTA|M Type 1|
|00001650| 20 66 69 6c 65 73 20 64 | 6f 20 6e 6f 74 20 70 65 | files d|o not pe|
|00001660| 72 6d 69 74 0a 61 72 62 | 69 74 72 61 72 79 20 73 |rmit.arb|itrary s|
|00001670| 65 65 6b 73 2e 20 4e 6f | 74 65 20 61 6c 73 6f 20 |eeks. No|te also |
|00001680| 74 68 61 74 20 6d 6f 73 | 74 20 55 6e 69 78 23 23 |that mos|t Unix##|
|00001690| 23 23 50 4f 53 49 58 20 | 66 69 6c 74 65 72 73 20 |##POSIX |filters |
|000016a0| 64 6f 20 6e 6f 74 20 6e | 65 65 64 0a 73 65 65 6b |do not n|eed.seek|
|000016b0| 73 2e 29 0a 0a 54 68 61 | 74 27 73 20 77 68 61 74 |s.)..Tha|t's what|
|000016c0| 20 77 65 27 72 65 20 61 | 62 6f 75 74 2e 20 50 6c | we're a|bout. Pl|
|000016d0| 65 61 73 65 20 72 65 6d | 65 6d 62 65 72 20 74 68 |ease rem|ember th|
|000016e0| 65 20 75 73 75 61 6c 20 | 64 69 73 63 6c 61 69 6d |e usual |disclaim|
|000016f0| 65 72 3b 20 61 6c 74 68 | 6f 75 67 68 20 49 0a 63 |er; alth|ough I.c|
|00001700| 68 61 69 72 20 31 30 30 | 33 2e 38 2c 20 6d 79 20 |hair 100|3.8, my |
|00001710| 77 6f 72 64 20 69 73 20 | 6e 6f 74 20 6c 61 77 3b |word is |not law;|
|00001720| 20 49 20 6d 61 79 20 68 | 61 76 65 20 6d 69 73 75 | I may h|ave misu|
|00001730| 6e 64 65 72 73 74 6f 6f | 64 20 74 68 65 20 67 72 |nderstoo|d the gr|
|00001740| 6f 75 70 27 73 0a 64 69 | 72 65 63 74 69 6f 6e 2c |oup's.di|rection,|
|00001750| 20 6f 72 20 74 68 65 20 | 74 65 63 68 6e 69 63 61 | or the |technica|
|00001760| 6c 20 63 6f 6e 74 65 6e | 74 20 6f 66 20 74 68 65 |l conten|t of the|
|00001770| 20 64 72 61 66 74 2e 20 | 49 20 61 6d 20 6e 6f 74 | draft. |I am not|
|00001780| 20 73 70 65 61 6b 69 6e | 67 20 6f 6e 0a 62 65 68 | speakin|g on.beh|
|00001790| 61 6c 66 20 6f 66 20 74 | 68 65 20 65 6e 74 69 72 |alf of t|he entir|
|000017a0| 65 20 77 6f 72 6b 69 6e | 67 20 67 72 6f 75 70 2e |e workin|g group.|
|000017b0| 0a 0a 4a 61 73 6f 6e 20 | 5a 69 6f 6e 73 0a 43 68 |..Jason |Zions.Ch|
|000017c0| 61 69 72 2c 20 31 30 30 | 33 2e 38 20 50 4f 53 49 |air, 100|3.8 POSI|
|000017d0| 58 20 54 72 61 6e 73 70 | 61 72 65 6e 74 20 46 69 |X Transp|arent Fi|
|000017e0| 6c 65 20 41 63 63 65 73 | 73 0a 0a 56 6f 6c 75 6d |le Acces|s..Volum|
|000017f0| 65 2d 4e 75 6d 62 65 72 | 3a 20 56 6f 6c 75 6d 65 |e-Number|: Volume|
|00001800| 20 32 31 2c 20 4e 75 6d | 62 65 72 20 31 36 36 0a | 21, Num|ber 166.|
|00001810| 0a | |. | |
+--------+-------------------------+-------------------------+--------+--------+