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.\" Copyright (C) 1995, Thomas K. Dyas <tdyas@eden.rutgers.edu>
.\"
.\" Permission is granted to make and distribute verbatim copies of this
.\" manual provided the copyright notice and this permission notice are
.\" preserved on all copies.
.\"
.\" Permission is granted to copy and distribute modified versions of this
.\" manual under the conditions for verbatim copying, provided that the
.\" entire resulting derived work is distributed under the terms of a
.\" permission notice identical to this one
.\"
.\" Since the Linux kernel and libraries are constantly changing, this
.\" manual page may be incorrect or out-of-date. The author(s) assume no
.\" responsibility for errors or omissions, or for damages resulting from
.\" the use of the information contained herein. The author(s) may not
.\" have taken the same level of care in the production of this manual,
.\" which is licensed free of charge, as they might when working
.\" professionally.
.\"
.\" Formatted or processed versions of this manual, if unaccompanied by
.\" the source, must acknowledge the copyright and authors of this work.
.\"
.\" Created Sun Aug 6 1995 Thomas K. Dyas <tdyas@eden.rutgers.edu>
.\"
.\" Japanese Version Copyright (c) 1997 HANATAKA Shinya
.\" all rights reserved.
.\" Translated Sat Mar 1 00:54:23 JST 1997
.\" by HANATAKA Shinya <hanataka@abyss.rim.or.jp>
.\"
.\"WORD: identity
.\"WORD: kernel ͥ
.\"WORD: file system ե롦ƥ
.\"WORD: effective group ID ¸롼ID
.\"WORD: real group ID ¥롼ID
.\"WORD: signal ʥ
.\"WORD: security hole ƥۡ
.\"WORD: saved set-group-ID ¸åȥ롼ID
.\"
.TH SETFSGID 2 "6 August 1995" "Linux 1.3.15" "Linux Programmer's Manual"
.SH ̾
setfsgid \- ե롦ƥåΤ˻Ѥ륰롼(identity)ꤹ
.SH
.BI "int setfsgid(uid_t " fsgid )
.SH
.B setfsgid
Linux ͥ뤬ե롦ƥ(file system)Ф
ƤΥΥå˻Ѥ륰롼 IDꤹ롣̾
.I fsgid
ͤϼ¸(effective)롼ID ˤäƱƤ롣ºݤˡ
¸롼 ID ѹ줿ˤ
.I fsgid
ޤ¸롼ID ͤѹ롣
.B setfsgid
ŪʸƤӽФ̾ϡLinux NFS С Τ褦ʡϢ
(real)롼ID ¸롼ID ѹ뤳Ȥʤ
ե˥륰롼 ID ѹ뤳Ȥɬפʥץ
ǤΤѤ롣NFS СΤ褦ʥץǤϡץ̾
롼ID ѹ뤳ȤϤΥ롼ID ˾ޤʤ
ʥ(signal)ˤ餵Ȥ
ƥۡ(security hole)ˤʤ롣
.B setfsgid
ϥѡ桼ˤäƸƤӽФ줿䡢
.I fsgid
(real)롼ID ¸(effective)롼ID
¸(saved)åȥ롼ID ߤ
.IR fsgid
ͤ˰פˤΤ롣
.SH ֤
硢
.I fsgid
ΰ֤ͤ롣顼ξ
.I fsgid
θߤ֤ͤ롣
.SH
.B setfsgid
Linux ͭǤꡢܿȰտޤץǻѤƤϤʤ
.SH Х
ʤΥ顼å֤ʤ
ƤӽФԤϺǤ
.B EPERM
餤֤٤Ǥ롣
.SH Ϣ
.BR setfsuid (2)
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