'\" t
.\"     Title: sg
.\"    Author: Julianne Frances Haugh
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: 2020-02-07
.\"    Manual: 用户命令
.\"    Source: shadow-utils 4.8.1
.\"  Language: Chinese Simplified
.\"
.TH "SG" "1" "2020-02-07" "shadow\-utils 4\&.8\&.1" "用户命令"
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.SH "名称"
sg \- 以不同的组 ID 执行命令
.SH "大纲"
.HP \w'\fBsg\fR\ 'u
\fBsg\fR [\-] [group\ [\-c\ ]\ command]
.SH "描述"
.PP
The
\fBsg\fR
command works similar to
\fBnewgrp\fR
but accepts a command\&. The command will be executed with the
/bin/sh
shell\&. With most shells you may run
\fBsg\fR
from, you need to enclose multi\-word commands in quotes\&. Another difference between
\fBnewgrp\fR
and
\fBsg\fR
is that some shells treat
\fBnewgrp\fR
specially, replacing themselves with a new instance of a shell that
\fBnewgrp\fR
creates\&. This doesn\*(Aqt happen with
\fBsg\fR, so upon exit from a
\fBsg\fR
command you are returned to your previous group ID\&.
.SH "配置文件"
.PP
The following configuration variables in
/etc/login\&.defs
change the behavior of this tool:
.PP
\fBSYSLOG_SG_ENAB\fR (boolean)
.RS 4
Enable "syslog" logging of
\fBsg\fR
activity\&.
.RE
.SH "文件"
.PP
/etc/passwd
.RS 4
用户账户信息。
.RE
.PP
/etc/shadow
.RS 4
安全用户账户信息。
.RE
.PP
/etc/group
.RS 4
组账户信息。
.RE
.PP
/etc/gshadow
.RS 4
安全组账户信息。
.RE
.SH "参见"
.PP
\fBid\fR(1),
\fBlogin\fR(1),
\fBnewgrp\fR(1),
\fBsu\fR(1),
\fBgpasswd\fR(1),
\fBgroup\fR(5), \fBgshadow\fR(5)\&.