shadow/man/sg.1.xml

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<?xml version="1.0" encoding="ISO-8859-1"?>
<refentry id='sg.1'>
<!-- $Id: sg.1.xml,v 1.11 2006/05/20 12:11:38 kloczek Exp $ -->
<refmeta>
<refentrytitle>sg</refentrytitle>
<manvolnum>1</manvolnum>
<refmiscinfo class="sectdesc">User Commands</refmiscinfo>
</refmeta>
<refnamediv id='name'>
<refname>sg</refname>
<refpurpose>execute command as different group ID</refpurpose>
</refnamediv>
<!-- body begins here -->
<refsynopsisdiv id='synopsis'>
<cmdsynopsis>
<command>sg</command>
<arg choice='opt'>- </arg>
<arg choice='opt'>group
<arg choice='opt'>-c </arg>
command
</arg>
</cmdsynopsis>
</refsynopsisdiv>
<refsect1 id='description'>
<title>DESCRIPTION</title>
<para>
The <command>sg</command> command works similar to
<command>newgrp</command> but accepts a command. The command will be
executed with the <filename>/bin/sh</filename> shell. With most shells
you may run <command>sg</command> from, you need to enclose multi-word
commands in quotes. Another difference between
<command>newgrp</command> and <command>sg</command> is that some
shells treat <command>newgrp</command> specially, replacing themselves
with a new instance of a shell that <command>newgrp</command> creates.
This doesn't happen with <command>sg</command>, so upon exit from a
<command>sg</command> command you are returned to your previous group
ID.
</para>
</refsect1>
<refsect1 id='files'>
<title>FILES</title>
<variablelist>
<varlistentry>
<term><filename>/etc/passwd</filename></term>
<listitem>
<para>User account information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>/etc/shadow</filename></term>
<listitem>
<para>Secure user account information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>/etc/group</filename></term>
<listitem>
<para>Group account information.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><filename>/etc/gshadow</filename></term>
<listitem>
<para>Secure group account information.</para>
</listitem>
</varlistentry>
</variablelist>
</refsect1>
<refsect1 id='see_also'>
<title>SEE ALSO</title>
<para>
<citerefentry>
<refentrytitle>id</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>login</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>newgrp</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>su</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>gpasswd</refentrytitle><manvolnum>1</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>group</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>,
<citerefentry>
<refentrytitle>gshadow</refentrytitle><manvolnum>5</manvolnum>
</citerefentry>
</para>
</refsect1>
</refentry>