<?xml version="1.0" encoding="UTF-8"?> <!-- SPDX-FileCopyrightText: 1991 - 1994, Julianne Frances Haugh SPDX-FileCopyrightText: 2007 - 2008, Nicolas François SPDX-License-Identifier: BSD-3-Clause --> <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook V4.5//EN" "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [ <!-- SHADOW-CONFIG-HERE --> ]> <refentry id='groups.1'> <!-- $Id$ --> <refentryinfo> <author> <firstname>Julianne Frances</firstname> <surname>Haugh</surname> <contrib>Creation, 1991</contrib> </author> <author> <firstname>Thomas</firstname> <surname>Kłoczko</surname> <email>kloczek@pld.org.pl</email> <contrib>shadow-utils maintainer, 2000 - 2007</contrib> </author> <author> <firstname>Nicolas</firstname> <surname>François</surname> <email>nicolas.francois@centraliens.net</email> <contrib>shadow-utils maintainer, 2007 - now</contrib> </author> </refentryinfo> <refmeta> <refentrytitle>groups</refentrytitle> <manvolnum>1</manvolnum> <refmiscinfo class="sectdesc">User Commands</refmiscinfo> <refmiscinfo class="source">shadow-utils</refmiscinfo> <refmiscinfo class="version">&SHADOW_UTILS_VERSION;</refmiscinfo> </refmeta> <refnamediv id='name'> <refname>groups</refname> <refpurpose>display current group names</refpurpose> </refnamediv> <refsynopsisdiv id='synopsis'> <cmdsynopsis> <command>groups</command> <arg choice='opt'> <replaceable>user</replaceable> </arg> </cmdsynopsis> </refsynopsisdiv> <refsect1 id='description'> <title>DESCRIPTION</title> <para> The <command>groups</command> command displays the current group names or ID values. If the value does not have a corresponding entry in <filename>/etc/group</filename>, the value will be displayed as the numerical group value. The optional <replaceable>user</replaceable> parameter will display the groups for the named user. </para> </refsect1> <refsect1 id='note'> <title>NOTE</title> <para> Systems which do not support supplementary groups (see <citerefentry> <refentrytitle>initgroups</refentrytitle><manvolnum>3</manvolnum> </citerefentry>) will have the information from <filename>/etc/group</filename> reported. The user must use <command>newgrp</command> or <command>sg</command> to change his current real and effective group ID. </para> </refsect1> <refsect1 id='files'> <title>FILES</title> <variablelist> <varlistentry> <term><filename>/etc/group</filename></term> <listitem> <para>Group account information.</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1 id='see_also'> <title>SEE ALSO</title> <para> <citerefentry> <refentrytitle>newgrp</refentrytitle><manvolnum>1</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>getgid</refentrytitle><manvolnum>2</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>getgroups</refentrytitle><manvolnum>2</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>getuid</refentrytitle><manvolnum>2</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>initgroups</refentrytitle><manvolnum>3</manvolnum> </citerefentry>. </para> </refsect1> </refentry>