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<varlistentry>
<term><option>UMASK</option> (number)</term>
<listitem>
<para>
The file mode creation mask is initialized to this value. If not
specified, the mask will be initialized to 022.
</para>
<para>
<command>useradd</command> and <command>newusers</command> use this
mask to set the mode of the home directory they create if
<option>HOME_MODE</option> is not set.
</para>
<para condition="no_pam">
It is also used by <command>login</command> to define users' initial
umask. Note that this mask can be overridden by the user's GECOS
line (if <option>QUOTAS_ENAB</option> is set) or by the
specification of a limit with the <emphasis>K</emphasis> identifier
in <citerefentry><refentrytitle>limits</refentrytitle>
<manvolnum>5</manvolnum></citerefentry>.
</para>
<para condition="pam">
It is also used by <command>pam_umask</command> as the default umask
value.
</para>
</listitem>
</varlistentry>
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