.\" Copyright Andries Brouwer, A. Wik 1998, Ragnar Hojland Espinosa 1998-2002
.\"
.\" Japanese Version Copyright (c) 1999 Kazuyuki Tanisako
.\"         all rights reserved.
.\" Translated Sun Aug 22 12:42 JST 1999
.\"         by Kazuyuki Tanisako
.\" Updated Sun Jan 27 JST 2001 by Kentaro Shirakata <argrath@ub32.org>
.\" Updated & Modified Sat Nov  8 13:24:56 JST 2003
.\"         by Yuichi SATO <ysato444@yahoo.co.jp>
.\"
.\" This file may be copied under the conditions described
.\" in the LDP GENERAL PUBLIC LICENSE, Version 1, September 1998
.\" that should have been distributed together with this file.
.\" 
.\"WORD:	access permissions	
.\"WORD:	permissions		
.\"WORD:	options			ץ
.\"WORD:	symbolic mode		ܥ⡼
.\"WORD:	numeric mode		ͥ⡼
.\"WORD:	octal number		8 ʿ
.\"WORD:	octal digit		8 ʿ
.\"
.TH CHMOD 1 "18 June 2002" "GNU fileutils 4.1"
.SH "̾"
chmod \- եΥѹ
.SH ""
.BI "chmod [" options "] " "mode file..."
.sp
POSIX ץ:
.B [\-R]
.sp
GNU ץ (ά):
.B [\-cfvR] [\-\-reference=\fIfile\fB]
.B "[\-\-help] [\-\-version] [\-\-]"
.SH ""
.B chmod
ޥɤϻꤷ줾
.I file
Υ
.I mode
ˤѹ롣ѹˡ򥷥ܥɽ뤫⤷ѹ
ɽӥåȥѥ 8 ʿɽΤΤ줫
ȤȤǤ롣
.PP
ܥ⡼ɤǥѹΰν񼰤
.br
\&`[ugoa...][[+-=][rwxXstugo...]...][,...]' Ǥ롣
.PP
ܥ⡼ɤǰ˥ѹʣꤹˤϥޤǶڤ롣
ܥ⡼ɤǥѹ뤽줾ɽ 0 Ĥ⤷ʣʸ `ugoa' ǻϤޤ;
餬եФɤΥ桼Υѹ뤫: եνͭ (u)
եƱ롼פ°Ƥ뤬ͭԤǤϤʤ (: ʸ奰롼פɽ) (g)
ͭԤǤʤΥեƱ롼פˤ°Ƥʤ (: ʸ夽¾ɽ) (o)
⤷桼 (a) ɽƤ롣Ĥޤ `a'  `ugo' ƱǤ롣
⤷Τꤵʤ硢`a' ꤵ줿ΤƱ̤Ȥʤ뤬umask ꤵ줿
ӥåȰ֤Ѳʤ
.PP
`+' 黻ҤϳơΥեθΥˡ򤷤ä; `-'
Ϻ;  `=' ϻꤷΥեΥȤʤ롣
.PP
ʸ `rwxXstugo' ϱƶͿ桼Ф뿷򤹤: ɼ (r)
񤭹 (w)¹ (ޤϥǥ쥯ȥФ륢) (x)ե뤬ǥ쥯ȥ꤫⤷
桼ФƤǤ˼¹ԥꤵƤΤ߼¹ (X)¹Ի˥桼
⤷ϥ롼 IDꤹ (s)sticky bit (t)ΥեνͭԤǤθߤΥ
 (u)ΥեΥ롼פǤθߤΥ (g)ΥեΤ¾Υ桼Ǥθ
Υ (o) ɽ롣
(äơ`chmod g-s file'  set-group-ID (sgid) ӥåȤ롣
\&`chmod ug+s file'  suid  sgid ӥåȤξꤹ뤬
\&`chmod o+s file' ϲ⤷ʤ)
.PP
POSIX Ǥ `sticky bit' ˤĤƵҤƤʤ
̾ΰ̣Ƥ:
ץॳɤ򥹥å׾˰ݻ롣
Ƕϡǥ쥯ȥꤵƤ硢եνͭԤȥǥ쥯ȥνͭԤ
Υǥ쥯ȥ꤫եǤ뤳Ȥ̣롣
(桼񤭹ߥ /tmp Τ褦ʥǥ쥯ȥǤϤ̤˻ȤƤ롣)
.PP
.B chmod
ޥɤܥå󥯤Υѹ뤳ȤϷ褷Ƥʤʤʤ顢
.B chmod
ƥॳϥܥå󥯤Υѹ뤳ȤǤʤǤ롣
ܥå󥯤ΥϷ褷ƻȤ뤳ȤʤᡢΤȤǤϤʤ

.B chmod
ޥɤϰ˥ܥå󥯤ꤵ줿硢ơˤĤƤ줬ؤƤե
ѹ롣Фơ
.B chmod
ޥɤϺƵŪ˥ǥ쥯ȥưʤƤ˸Ĥܥå
̵뤹롣
.SH "POSIX ץ"
.TP
.B "\-R"
ǥ쥯ȥ䤽˴ޤޤΤΥƵŪѹ롣
.SH "GNU ץ"
.TP
.B "\-c, \-\-changes"
ºݤ˥ѹä
.I file
줾ˤĤƤưܺ٤ɽ롣
.TP
.B "\-f, \-\-silent, \-\-quiet"
ѹǤʤäեˤĤƤΥ顼åϤʤ
.TP
.B "-v, \-\-verbose"
Ƥ
.I file
ˤĤѹ⤷ϤʤäȤưܺ٤ɽ롣
.TP
.B "\-R, \-\-recursive"
ǥ쥯ȥ䤽˴ޤޤΤΥƵŪѹ롣
.TP
.B \-\-reference=\fIfile
Ū \fImode\fR ؼˡѤ˻ꤷ \fIfile\fR Υ롼פȤ
.SH "GNU ɸ४ץ"
.TP
.B "\-\-help"
ɸϤ˻ˡΥåϤｪλ롣
.TP
.B "\-\-version"
ɸϤ˥СϤｪλ롣
.TP
.B "\-\-"
ץꥹȤλ롣
.SH "ͥ⡼"
եΥŪ 16 ӥåȤݻƤ롣
ܥǥꤹˡ 
줫ѹ륢ɽб
8 ʿ ( 8) Ȥäƻꤹ뤳ȤǤ롣
οͤϾ 8 ʿȤư;
C Τ褦˿ͤƬ 0 ղäɬפϤʤ
mode  0055 ȻꤹΤ 55 ȻꤹΤƱǤ롣
ͥ⡼ɤˤϡܥ⡼ɤǻꤹξûब
ͤǻꤹ롣
mode γƿˤꡢʲǼ褦ʥΥ롼פ򤹤롣
¦ξά줿ͤ 0 Ȥư롣
Ȥ߹碌ˤϡ
ƿ OR Ȥ뤫ƿפФ褤
.TP
̤ʥ
.br
1000 ץॳɤ򥹥åפ˰ݻ
.br
2000 ¹Ի˥롼 ID 
.br
4000 ¹Ի˥桼 ID 
.TP
Ʊ UID Υ桼 (u+)
.br
100 ¹
.br
200 񤭹
.br
400 ɤ߹
.TP
Ʊ롼 (g+)
.br
10 ¹
.br
20 񤭹
.br
40 ɤ߹
.TP
¾Υ桼 (o+)
.br
1 ¹
.br
2 񤭹
.br
4 ɤ߹
.SH "Ķѿ"
ѿ LANG, LC_ALL, LC_CTYPE, LC_MESSAGES ̾ΰ̣ġ
.SH ""
POSIX 1003.2 Ǥ \-R ץΤߤɬܤǤ롣¾ΥץѤ
ߴʤ⤷ʤɸǤ 't' εĥӥåȤˤĤƤʤ
ɸǤ \fBchmod\fP  suid  sgid ӥåȤΥꥢ⤷εǤ
ݻ٤ɤˤĤƤȤƤʤȤС٤Ƥμ¹ԥӥåȤ
ꥢ \fBchmod\fP  `s' ӥåȤɤ뤫ޤäȤƤʤ
.SH "ɸ⡼"
ޤǤΤȤǥǥ쥯ȥФ `t' ӥåȤλȤ
ʥƥǤϡ¾ΰ̣Τʤ⡼ɥӥåȤȹ礻̤ʰ̣ͿƤ롣
äˡLinux  System V  (System V Interface Definition (SVID) Version 3 
) äơ롼׼¹ԵĤʤե sgid ӥåȤˡ
Υե뤬å (mandatory locking) оݤǤ뤳Ȥ򼨤Ƥ롣
ܺ٤ˤĤƤ
.I /usr/src/linux/Documentation/mandatory.txt
ե򻲾ȡ
.SH ""
ΥڡǤ fileutils-4.1 ѥåǤ
.B chmod
ޥɤˤĤƤ롣
¾ΥСǤϾ㤤뤫⤷ʤ
ɲä aeb@cwi.nl, aw@mail1.bet1.puv.fi, ragnar@ragnar-hojland.com
Ƥ˥᡼ϢƤۤ
ץΥХˤĤƤ bug-fileutils@gnu.org 𤷤Ƥۤ