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+<!--
+ 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
+-->
+<!-- TODO: TBC -->
+<varlistentry condition="no_pam">
+ <term><option>SU_WHEEL_ONLY</option> (boolean)</term>
+ <listitem>
+ <para>
+ If <replaceable>yes</replaceable>, the user must be listed as a
+ member of the first gid 0 group in <filename>/etc/group</filename>
+ (called <replaceable>root</replaceable> on most Linux systems) to be
+ able to <command>su</command> to uid 0 accounts. If the group
+ doesn't exist or is empty, no one will be able to
+ <command>su</command> to uid 0.
+ </para>
+ </listitem>
+</varlistentry>