`systemd-tmpfiles --clean ./some.conf` doesn't work:
Failed to open './some.conf', ignoring: No such file or directory
`systemd-tmpfiles --clean $(realpath ./some.conf)` works fine.
</para>
<para>If invoked with no arguments, it applies all directives from
- all configuration files. If one or more filenames are passed on
+ all configuration files. If one or more absolute 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