234 lines
6.9 KiB
XML
234 lines
6.9 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.3//EN"
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"http://www.oasis-open.org/docbook/xml/4.3/docbookx.dtd">
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<refentry id='groupadd.8'>
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<!-- $Id: groupadd.8.xml,v 1.24 2006/01/02 14:13:39 kloczek Exp $ -->
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<refmeta>
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<refentrytitle>groupadd</refentrytitle>
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<manvolnum>8</manvolnum>
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<refmiscinfo class="sectdesc">System Management Commands</refmiscinfo>
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</refmeta>
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<refnamediv id='name'>
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<refname>groupadd</refname>
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<refpurpose>Create a new group</refpurpose>
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</refnamediv>
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<!-- body begins here -->
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<refsynopsisdiv id='synopsis'>
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<cmdsynopsis>
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<command>groupadd</command>
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<arg choice='opt'>
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<arg choice='plain'>-g <replaceable>GID</replaceable></arg>
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<arg choice='opt'>-o</arg>
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</arg>
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<arg choice='opt'>-f </arg>
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<arg choice='opt'>-K <replaceable>KEY</replaceable>=<replaceable>VALUE</replaceable></arg>
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<arg choice='plain'>
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<replaceable>group</replaceable>
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</arg>
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</cmdsynopsis>
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</refsynopsisdiv>
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<refsect1 id='description'>
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<title>DESCRIPTION</title>
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<para>The <command>groupadd</command> command creates a new group
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account using the values specified on the command line and the default
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values from the system. The new group will be entered into the system
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files as needed.
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</para>
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</refsect1>
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<refsect1 id='options'>
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<title>OPTIONS</title>
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<para>
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The options which apply to the <command>groupadd</command> command
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are:
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</para>
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<variablelist remap='IP'>
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<varlistentry>
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<term>
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<option>-f</option>
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</term>
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<listitem>
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<para>This option causes to just exit with success status if the
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specified group already exists. With <option>-g</option>, if
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specified GID already exists, other (unique) GID is chosen (i.e.
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<option>-g</option> is turned off).
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-g</option> <replaceable>GID</replaceable>
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</term>
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<listitem>
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<para>The numerical value of the group's ID. This value must be
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unique, unless the <option>-o</option> option is used. The value
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must be non-negative. The default is to use the smallest ID
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value greater than 999 and greater than every other group.
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Values between 0 and 999 are typically reserved for system
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accounts.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><option>-h</option>, <option>--help</option></term>
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<listitem>
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<para>Display help message and exit.</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-K <replaceable>KEY</replaceable>=<replaceable>VALUE</replaceable></option>
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</term>
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<listitem>
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<para>
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Overrides /etc/login.defs defaults (GID_MIN, GID_MAX and others). Multiple
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<option>-K</option> options can be specified.
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</para>
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<para>
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Example: <option>-K </option><replaceable>GID_MIN</replaceable>=<replaceable>100</replaceable>
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<option> -K </option><replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
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</para>
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<para>
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Note: <option>-K </option>
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<replaceable>GID_MIN</replaceable>=<replaceable>10</replaceable>,<replaceable>GID_MAX</replaceable>=<replaceable>499</replaceable>
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doesn't work yet.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term>
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<option>-o</option>
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</term>
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<listitem>
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<para>
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This option permits to add group with non-unique GID.
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</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id='files'>
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<title>FILES</title>
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<variablelist>
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<varlistentry>
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<term><filename>/etc/group</filename></term>
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<listitem>
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<para>group account information</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><filename>/etc/gshadow</filename></term>
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<listitem>
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<para>secure group account information</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><filename>/etc/login.defs</filename></term>
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<listitem>
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<para>shadow password suite configuration</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</refsect1>
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<refsect1 id='caveats'>
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<title>CAVEATS</title>
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<para>Groupnames must begin with a lower case letter or an underscore, and
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only lower case letters, underscores, dashes, and dollar signs may
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follow. In regular expression terms: [a-z_][a-z0-9_-]*[$]
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</para>
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<para>Groupnames may only be up to 16 characters long.</para>
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<para>
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If the groupname already exists in an external group database
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such as NIS, <command>groupadd</command> will deny the group
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creation request.
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</para>
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<para>Groupnames may only be up to 16 characters long.</para>
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</refsect1>
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<refsect1 id='exit_values'>
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<title>EXIT VALUES</title>
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<para>
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The <command>groupadd</command> command exits with the following values:
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<variablelist>
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<varlistentry>
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<term><replaceable>0</replaceable></term>
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<listitem>
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<para>success</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>2</replaceable></term>
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<listitem>
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<para>invalid command syntax</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>3</replaceable></term>
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<listitem>
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<para>invalid argument to option</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>4</replaceable></term>
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<listitem>
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<para>GID not unique (when <option>-o</option> not used)</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>9</replaceable></term>
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<listitem>
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<para>group name not unique</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable>10</replaceable></term>
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<listitem>
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<para>can't update group file</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</para>
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</refsect1>
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<refsect1 id='see_also'>
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<title>SEE ALSO</title>
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<para><citerefentry>
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<refentrytitle>chfn</refentrytitle><manvolnum>1</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>chsh</refentrytitle><manvolnum>1</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>passwd</refentrytitle><manvolnum>1</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>gpasswd</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>groupdel</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>groupmod</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>login.defs</refentrytitle><manvolnum>5</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>useradd</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>userdel</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>,
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<citerefentry>
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<refentrytitle>usermod</refentrytitle><manvolnum>8</manvolnum>
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</citerefentry>.
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</para>
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</refsect1>
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</refentry>
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