basename of a file is specified, all directories as
specified in
<citerefentry><refentrytitle>sysusers.d</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- are searched for a matching file.</para>
+ are searched for a matching file. If the string
+ <filename>-</filename> is specified as filenames
+ entries from the standard input of the process are
+ read.</para>
</refsect1>
<refsect1>