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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 Aug 30 14:18:37 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 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 | 41 75 67 20 33 30 20 31 |et Thu |Aug 30 1|
|00000030| 34 3a 31 38 3a 33 37 20 | 31 39 39 30 0a 52 65 63 |4:18:37 |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 30 | 33 30 37 30 3b 20 54 68 |..id AA0|3070; Th|
|00000090| 75 2c 20 33 30 20 41 75 | 67 20 39 30 20 31 34 3a |u, 30 Au|g 90 14:|
|000000a0| 31 38 3a 33 37 20 2d 30 | 34 30 30 0a 50 6f 73 74 |18:37 -0|400.Post|
|000000b0| 65 64 2d 44 61 74 65 3a | 20 33 30 20 41 75 67 20 |ed-Date:| 30 Aug |
|000000c0| 39 30 20 31 32 3a 33 31 | 3a 30 31 20 47 4d 54 0a |90 12:31|:01 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 74 63 |/1.76) .|From: tc|
|00000100| 74 21 63 68 69 70 40 63 | 73 2e 75 74 65 78 61 73 |t!chip@c|s.utexas|
|00000110| 2e 65 64 75 20 28 43 68 | 69 70 20 53 61 6c 7a 65 |.edu (Ch|ip Salze|
|00000120| 6e 62 65 72 67 29 0a 4e | 65 77 73 67 72 6f 75 70 |nberg).N|ewsgroup|
|00000130| 73 3a 20 63 6f 6d 70 2e | 73 74 64 2e 75 6e 69 78 |s: comp.|std.unix|
|00000140| 0a 53 75 62 6a 65 63 74 | 3a 20 52 65 3a 20 53 74 |.Subject|: Re: St|
|00000150| 61 6e 64 61 72 64 73 20 | 55 70 64 61 74 65 2c 20 |andards |Update, |
|00000160| 49 45 45 45 20 31 30 30 | 33 2e 34 3a 20 52 65 61 |IEEE 100|3.4: Rea|
|00000170| 6c 2d 74 69 6d 65 20 45 | 78 74 65 6e 73 69 6f 6e |l-time E|xtension|
|00000180| 73 0a 4d 65 73 73 61 67 | 65 2d 49 64 3a 20 3c 34 |s.Messag|e-Id: <4|
|00000190| 37 37 40 75 73 65 6e 69 | 78 2e 4f 52 47 3e 0a 52 |77@useni|x.ORG>.R|
|000001a0| 65 66 65 72 65 6e 63 65 | 73 3a 20 3c 34 34 38 40 |eference|s: <448@|
|000001b0| 75 73 65 6e 69 78 2e 4f | 52 47 3e 20 3c 34 36 37 |usenix.O|RG> <467|
|000001c0| 40 75 73 65 6e 69 78 2e | 4f 52 47 3e 20 3c 34 37 |@usenix.|ORG> <47|
|000001d0| 30 40 75 73 65 6e 69 78 | 2e 4f 52 47 3e 0a 53 65 |0@usenix|.ORG>.Se|
|000001e0| 6e 64 65 72 3a 20 73 74 | 64 2d 75 6e 69 78 40 75 |nder: st|d-unix@u|
|000001f0| 73 65 6e 69 78 2e 4f 52 | 47 0a 4f 72 67 61 6e 69 |senix.OR|G.Organi|
|00000200| 7a 61 74 69 6f 6e 3a 20 | 54 65 6c 74 72 6f 6e 69 |zation: |Teltroni|
|00000210| 63 73 2f 54 43 54 2c 20 | 53 61 72 61 73 6f 74 61 |cs/TCT, |Sarasota|
|00000220| 2c 20 46 4c 0a 58 2d 53 | 75 62 6d 69 73 73 69 6f |, FL.X-S|ubmissio|
|00000230| 6e 73 3a 20 73 74 64 2d | 75 6e 69 78 40 75 75 6e |ns: std-|unix@uun|
|00000240| 65 74 2e 75 75 2e 6e 65 | 74 0a 44 61 74 65 3a 20 |et.uu.ne|t.Date: |
|00000250| 33 30 20 41 75 67 20 39 | 30 20 31 32 3a 33 31 3a |30 Aug 9|0 12:31:|
|00000260| 30 31 20 47 4d 54 0a 52 | 65 70 6c 79 2d 54 6f 3a |01 GMT.R|eply-To:|
|00000270| 20 73 74 64 2d 75 6e 69 | 78 40 75 75 6e 65 74 2e | std-uni|x@uunet.|
|00000280| 75 75 2e 6e 65 74 0a 54 | 6f 3a 20 73 74 64 2d 75 |uu.net.T|o: std-u|
|00000290| 6e 69 78 40 75 75 6e 65 | 74 2e 75 75 2e 6e 65 74 |nix@uune|t.uu.net|
|000002a0| 0a 0a 46 72 6f 6d 3a 20 | 20 63 68 69 70 40 74 63 |..From: | chip@tc|
|000002b0| 74 2e 75 75 63 70 20 28 | 43 68 69 70 20 53 61 6c |t.uucp (|Chip Sal|
|000002c0| 7a 65 6e 62 65 72 67 29 | 0a 0a 41 63 63 6f 72 64 |zenberg)|..Accord|
|000002d0| 69 6e 67 20 74 6f 20 73 | 70 40 6d 79 73 74 65 72 |ing to s|p@myster|
|000002e0| 6f 6e 2e 6f 73 66 2e 6f | 72 67 20 28 53 69 6d 6f |on.osf.o|rg (Simo|
|000002f0| 6e 20 50 61 74 69 65 6e | 63 65 29 3a 0a 3e 53 6f |n Patien|ce):.>So|
|00000300| 6d 65 20 72 65 61 6c 74 | 69 6d 65 20 65 6d 62 65 |me realt|ime embe|
|00000310| 64 64 65 64 20 73 79 73 | 74 65 6d 73 20 64 6f 20 |dded sys|tems do |
|00000320| 6e 6f 74 20 68 61 76 65 | 20 61 20 66 69 6c 65 20 |not have| a file |
|00000330| 73 79 73 74 65 6d 20 62 | 75 74 20 64 6f 20 77 61 |system b|ut do wa|
|00000340| 6e 74 0a 3e 73 65 6d 61 | 70 68 6f 72 65 73 2e 20 |nt.>sema|phores. |
|00000350| 20 53 6f 20 74 68 69 73 | 20 61 6c 6c 6f 77 73 20 | So this| allows |
|00000360| 74 68 65 6d 20 74 6f 20 | 68 61 76 65 20 74 68 65 |them to |have the|
|00000370| 6d 20 77 69 74 68 6f 75 | 74 20 68 61 76 69 6e 67 |m withou|t having|
|00000380| 20 74 6f 20 62 72 69 6e | 67 0a 3e 69 6e 20 74 68 | to brin|g.>in th|
|00000390| 65 20 62 61 67 67 61 67 | 65 20 61 20 66 69 6c 65 |e baggag|e a file|
|000003a0| 20 73 79 73 74 65 6d 20 | 77 6f 75 6c 64 20 65 6e | system |would en|
|000003b0| 74 61 69 6c 2e 0a 0a 49 | 20 77 61 73 20 75 6e 64 |tail...I| was und|
|000003c0| 65 72 20 74 68 65 20 69 | 6d 70 72 65 73 73 69 6f |er the i|mpressio|
|000003d0| 6e 20 74 68 61 74 20 50 | 4f 53 49 58 20 77 61 73 |n that P|OSIX was|
|000003e0| 20 64 65 73 69 67 6e 69 | 6e 67 20 61 20 70 6f 72 | designi|ng a por|
|000003f0| 74 61 62 6c 65 20 55 6e | 69 78 0a 69 6e 74 65 72 |table Un|ix.inter|
|00000400| 66 61 63 65 2e 20 20 57 | 69 74 68 6f 75 74 20 61 |face. W|ithout a|
|00000410| 20 66 69 6c 65 73 79 73 | 74 65 6d 2c 20 79 6f 75 | filesys|tem, you|
|00000420| 20 64 6f 6e 27 74 20 68 | 61 76 65 20 55 6e 69 78 | don't h|ave Unix|
|00000430| 2c 20 64 6f 20 79 6f 75 | 3f 0a 42 65 73 69 64 65 |, do you|?.Beside|
|00000440| 73 2c 20 61 20 67 69 76 | 65 6e 20 65 6d 62 65 64 |s, a giv|en embed|
|00000450| 64 65 64 20 73 79 73 74 | 65 6d 27 73 20 6c 69 62 |ded syst|em's lib|
|00000460| 72 61 72 79 20 63 6f 75 | 6c 64 20 65 61 73 69 6c |rary cou|ld easil|
|00000470| 79 20 65 6d 75 6c 61 74 | 65 20 61 0a 62 61 62 79 |y emulat|e a.baby|
|00000480| 2d 73 69 6d 70 6c 65 20 | 66 69 6c 65 73 79 73 74 |-simple |filesyst|
|00000490| 65 6d 2e 0a 0a 3e 53 65 | 63 6f 6e 64 6c 79 2c 20 |em...>Se|condly, |
|000004a0| 61 73 20 66 61 72 20 61 | 73 20 74 68 72 65 61 64 |as far a|s thread|
|000004b0| 73 2c 20 77 68 69 63 68 | 20 61 72 65 20 73 75 70 |s, which| are sup|
|000004c0| 70 6f 73 65 64 20 74 6f | 20 62 65 20 6c 69 67 68 |posed to| be ligh|
|000004d0| 74 20 77 65 69 67 68 74 | 2c 0a 3e 61 72 65 20 63 |t weight|,.>are c|
|000004e0| 6f 6e 63 65 72 6e 65 64 | 20 69 74 20 61 6c 6c 6f |oncerned| it allo|
|000004f0| 77 73 20 73 65 6d 61 70 | 68 6f 72 65 73 20 74 6f |ws semap|hores to|
|00000500| 20 62 65 20 69 6d 70 6c | 6d 65 6e 74 65 64 20 69 | be impl|mented i|
|00000510| 6e 20 75 73 65 72 20 73 | 70 61 63 65 0a 3e 72 61 |n user s|pace.>ra|
|00000520| 74 68 65 72 20 74 68 61 | 6e 20 66 6f 72 63 69 6e |ther tha|n forcin|
|00000530| 67 20 74 68 65 6d 20 69 | 6e 74 6f 20 74 68 65 20 |g them i|nto the |
|00000540| 6b 65 72 6e 65 6c 20 66 | 6f 72 20 74 68 65 20 66 |kernel f|or the f|
|00000550| 69 6c 65 20 73 79 73 74 | 65 6d 2e 0a 0a 54 68 65 |ile syst|em...The|
|00000560| 20 64 65 73 69 72 65 20 | 66 6f 72 20 75 73 65 72 | desire |for user|
|00000570| 2d 73 70 61 63 65 20 73 | 75 70 70 6f 72 74 20 69 |-space s|upport i|
|00000580| 6e 64 69 63 61 74 65 73 | 20 74 6f 20 6d 65 20 74 |ndicates| to me t|
|00000590| 68 61 74 20 74 68 65 72 | 65 20 73 68 6f 75 6c 64 |hat ther|e should|
|000005a0| 20 62 65 0a 73 6f 6d 65 | 20 70 72 6f 76 69 73 69 | be.some| provisi|
|000005b0| 6f 6e 20 66 6f 72 20 6e | 6f 6e 2d 66 69 6c 65 73 |on for n|on-files|
|000005c0| 79 73 74 65 6d 20 28 61 | 6e 6f 6e 79 6d 6f 75 73 |ystem (a|nonymous|
|000005d0| 29 20 49 50 43 73 20 74 | 68 61 74 20 63 61 6e 20 |) IPCs t|hat can |
|000005e0| 62 65 20 63 72 65 61 74 | 65 64 0a 61 6e 64 20 75 |be creat|ed.and u|
|000005f0| 73 65 64 20 77 69 74 68 | 6f 75 74 20 6b 65 72 6e |sed with|out kern|
|00000600| 65 6c 20 69 6e 74 65 72 | 76 65 6e 74 69 6f 6e 2e |el inter|vention.|
|00000610| 20 20 54 68 69 73 20 6e | 65 65 64 20 64 6f 65 73 | This n|eed does|
|00000620| 20 6e 6f 74 20 72 65 64 | 75 63 65 20 74 68 65 0a | not red|uce the.|
|00000630| 64 65 73 69 72 61 62 69 | 6c 69 74 79 20 6f 66 20 |desirabi|lity of |
|00000640| 70 75 74 74 69 6e 67 20 | 67 6c 6f 62 61 6c 20 49 |putting |global I|
|00000650| 50 43 73 20 69 6e 20 74 | 68 65 20 66 69 6c 65 73 |PCs in t|he files|
|00000660| 79 73 74 65 6d 2e 0a 0a | 3e 41 20 67 6f 6f 64 20 |ystem...|>A good |
|00000670| 72 65 61 73 6f 6e 20 66 | 6f 72 20 2a 6e 6f 74 2a |reason f|or *not*|
|00000680| 20 68 61 76 69 6e 67 20 | 49 50 43 20 68 61 6e 64 | having |IPC hand|
|00000690| 6c 65 73 20 69 6e 20 74 | 68 65 20 66 69 6c 65 20 |les in t|he file |
|000006a0| 73 79 73 74 65 6d 20 69 | 73 20 74 6f 20 61 6c 6c |system i|s to all|
|000006b0| 6f 77 0a 3e 6e 65 74 77 | 6f 72 6b 20 49 50 43 20 |ow.>netw|ork IPC |
|000006c0| 74 6f 20 75 73 65 20 74 | 68 65 20 73 61 6d 65 20 |to use t|he same |
|000006d0| 69 6e 74 65 72 66 61 63 | 65 73 2e 0a 0a 46 69 6c |interfac|es...Fil|
|000006e0| 65 73 79 73 74 65 6d 20 | 65 6e 74 69 74 69 65 73 |esystem |entities|
|000006f0| 20 63 61 6e 20 62 65 20 | 75 73 65 64 20 74 6f 20 | can be |used to |
|00000700| 74 72 69 67 67 65 72 20 | 6e 65 74 77 6f 72 6b 20 |trigger |network |
|00000710| 61 63 74 69 76 69 74 79 | 20 62 79 20 74 68 65 0a |activity| by the.|
|00000720| 6b 65 72 6e 65 6c 20 28 | 6f 72 20 69 74 73 20 73 |kernel (|or its s|
|00000730| 74 61 6e 64 2d 69 6e 29 | 2c 20 65 76 65 6e 20 69 |tand-in)|, even i|
|00000740| 66 20 74 68 65 79 20 64 | 6f 20 6e 6f 74 20 72 65 |f they d|o not re|
|00000750| 73 69 64 65 20 6f 6e 20 | 73 68 61 72 65 64 0a 66 |side on |shared.f|
|00000760| 69 6c 65 73 79 73 74 65 | 6d 73 2e 0a 2d 2d 20 0a |ilesyste|ms..-- .|
|00000770| 43 68 69 70 20 53 61 6c | 7a 65 6e 62 65 72 67 20 |Chip Sal|zenberg |
|00000780| 61 74 20 54 65 6c 74 72 | 6f 6e 69 63 73 2f 54 43 |at Teltr|onics/TC|
|00000790| 54 20 20 20 20 20 3c 63 | 68 69 70 40 74 63 74 2e |T <c|hip@tct.|
|000007a0| 75 75 63 70 3e 2c 20 3c | 75 75 6e 65 74 21 70 64 |uucp>, <|uunet!pd|
|000007b0| 6e 21 74 63 74 21 63 68 | 69 70 3e 0a 0a 56 6f 6c |n!tct!ch|ip>..Vol|
|000007c0| 75 6d 65 2d 4e 75 6d 62 | 65 72 3a 20 56 6f 6c 75 |ume-Numb|er: Volu|
|000007d0| 6d 65 20 32 31 2c 20 4e | 75 6d 62 65 72 20 37 34 |me 21, N|umber 74|
|000007e0| 0a 0a | |.. | |
+--------+-------------------------+-------------------------+--------+--------+