+ more filenames are passed on the command line, only
+ the directives in these files are applied. If only
+ the basename of a configuration file is specified,
+ all configuration directories as specified in <citerefentry>
+ <refentrytitle>tmpfiles.d</refentrytitle>
+ <manvolnum>5</manvolnum>
+ </citerefentry> are searched for a matching file.</para>