<?xml version="1.0" encoding="UTF-8"?> <!-- SPDX-FileCopyrightText: 1990 - 1994, Julianne Frances Haugh SPDX-FileCopyrightText: 2007 - 2011, 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" [ <!ENTITY CHFN_AUTH SYSTEM "login.defs.d/CHFN_AUTH.xml"> <!ENTITY CHFN_RESTRICT SYSTEM "login.defs.d/CHFN_RESTRICT.xml"> <!ENTITY LOGIN_STRING SYSTEM "login.defs.d/LOGIN_STRING.xml"> <!-- SHADOW-CONFIG-HERE --> ]> <refentry id='chfn.1'> <!-- $Id$ --> <refentryinfo> <author> <firstname>Julianne Frances</firstname> <surname>Haugh</surname> <contrib>Creation, 1990</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>chfn</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>chfn</refname> <refpurpose>change real user name and information</refpurpose> </refnamediv> <refsynopsisdiv id='synopsis'> <cmdsynopsis> <command>chfn</command> <arg choice='opt'> <replaceable>options</replaceable> </arg> <arg choice='opt'> <replaceable>LOGIN</replaceable> </arg> </cmdsynopsis> </refsynopsisdiv> <refsect1 id='description'> <title>DESCRIPTION</title> <para> The <command>chfn</command> command changes user fullname, office room number, office phone number, and home phone number information for a user's account. This information is typically printed by <citerefentry><refentrytitle>finger</refentrytitle><manvolnum>1</manvolnum> </citerefentry> and similar programs. A normal user may only change the fields for her own account, subject to the restrictions in <filename>/etc/login.defs</filename>. (The default configuration is to prevent users from changing their fullname.) The superuser may change any field for any account. Additionally, only the superuser may use the <option>-o</option> option to change the undefined portions of the GECOS field. </para> <para> These fields must not contain any colons. Except for the <emphasis remap='I'>other</emphasis> field, they should not contain any comma or equal sign. It is also recommended to avoid non-US-ASCII characters, but this is only enforced for the phone numbers. The <emphasis remap='I'>other</emphasis> field is used to store accounting information used by other applications. </para> </refsect1> <refsect1 id='options'> <title>OPTIONS</title> <para> The options which apply to the <command>chfn</command> command are: </para> <variablelist remap='IP'> <varlistentry> <term> <option>-f</option>, <option>--full-name</option> <replaceable>FULL_NAME</replaceable> </term> <listitem> <para>Change the user's full name.</para> </listitem> </varlistentry> <varlistentry> <term> <option>-h</option>, <option>--home-phone</option> <replaceable>HOME_PHONE</replaceable> </term> <listitem> <para>Change the user's home phone number.</para> </listitem> </varlistentry> <varlistentry> <term> <option>-o</option>, <option>--other</option> <replaceable>OTHER</replaceable> </term> <listitem> <para> Change the user's other GECOS information. This field is used to store accounting information used by other applications, and can be changed only by a superuser. </para> </listitem> </varlistentry> <varlistentry> <term> <option>-r</option>, <option>--room</option> <replaceable>ROOM_NUMBER</replaceable> </term> <listitem> <para>Change the user's room number.</para> </listitem> </varlistentry> <varlistentry> <term> <option>-R</option>, <option>--root</option> <replaceable>CHROOT_DIR</replaceable> </term> <listitem> <para> Apply changes in the <replaceable>CHROOT_DIR</replaceable> directory and use the configuration files from the <replaceable>CHROOT_DIR</replaceable> directory. </para> </listitem> </varlistentry> <varlistentry> <term> <option>-u</option>, <option>--help</option> </term> <listitem> <para>Display help message and exit.</para> </listitem> </varlistentry> <varlistentry> <term> <option>-w</option>, <option>--work-phone</option> <replaceable>WORK_PHONE</replaceable> </term> <listitem> <para>Change the user's office phone number.</para> </listitem> </varlistentry> </variablelist> <para> If none of the options are selected, <command>chfn</command> operates in an interactive fashion, prompting the user with the current values for all of the fields. Enter the new value to change the field, or leave the line blank to use the current value. The current value is displayed between a pair of <emphasis remap='B'>[ ]</emphasis> marks. Without options, <command>chfn</command> prompts for the current user account. </para> </refsect1> <refsect1 id='configuration'> <title>CONFIGURATION</title> <para> The following configuration variables in <filename>/etc/login.defs</filename> change the behavior of this tool: </para> <variablelist> &CHFN_AUTH; &CHFN_RESTRICT; &LOGIN_STRING; </variablelist> </refsect1> <refsect1 id='files'> <title>FILES</title> <variablelist> <varlistentry> <term><filename>/etc/login.defs</filename></term> <listitem> <para>Shadow password suite configuration.</para> </listitem> </varlistentry> <varlistentry> <term><filename>/etc/passwd</filename></term> <listitem> <para>User account information.</para> </listitem> </varlistentry> </variablelist> </refsect1> <refsect1 id='see_also'> <title>SEE ALSO</title> <para> <citerefentry> <refentrytitle>chsh</refentrytitle><manvolnum>1</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>login.defs</refentrytitle><manvolnum>5</manvolnum> </citerefentry>, <citerefentry> <refentrytitle>passwd</refentrytitle><manvolnum>5</manvolnum> </citerefentry>. </para> </refsect1> </refentry>