<!-- SPDX-FileCopyrightText: 1991 - 1993, Julianne Frances Haugh SPDX-FileCopyrightText: 1991 - 1993, Chip Rosenthal SPDX-FileCopyrightText: 2007 - 2008, Nicolas François SPDX-License-Identifier: BSD-3-Clause --> <varlistentry> <term><option>CHFN_RESTRICT</option> (string)</term> <listitem> <para> This parameter specifies which values in the <emphasis remap='I'>gecos</emphasis> field of the <filename>/etc/passwd</filename> file may be changed by regular users using the <command>chfn</command> program. It can be any combination of letters <replaceable>f</replaceable>, <replaceable>r</replaceable>, <replaceable>w</replaceable>, <replaceable>h</replaceable>, for Full name, Room number, Work phone, and Home phone, respectively. For backward compatibility, <replaceable>yes</replaceable> is equivalent to <replaceable>rwh</replaceable> and <replaceable>no</replaceable> is equivalent to <replaceable>frwh</replaceable>. If not specified, only the superuser can make any changes. The most restrictive setting is better achieved by not installing <command>chfn</command> SUID. </para> </listitem> </varlistentry>