shadow/man/login.defs.d/SUB_UID_COUNT.xml

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<!--
SPDX-FileCopyrightText: 2013, Eric W. Biederman
SPDX-License-Identifier: BSD-3-Clause
-->
<varlistentry condition="subids">
<term><option>SUB_UID_MIN</option> (number)</term>
<term><option>SUB_UID_MAX</option> (number)</term>
<term><option>SUB_UID_COUNT</option> (number)</term>
<listitem>
<para>
If <filename>/etc/subuid</filename> exists, the commands
<command>useradd</command> and <command>newusers</command> (unless
the user already have subordinate user IDs) allocate
<option>SUB_UID_COUNT</option> unused user IDs from the range
<option>SUB_UID_MIN</option> to <option>SUB_UID_MAX</option> for each
new user.
</para>
<para>
The default values for <option>SUB_UID_MIN</option>,
<option>SUB_UID_MAX</option>, <option>SUB_UID_COUNT</option>
are respectively 100000, 600100000 and 65536.
</para>
</listitem>
</varlistentry>