- <refsect1>
- <title>Unit directives</title>
-
- <para>Directives for configuring units, used in unit
- files.</para>
-
- <variablelist id='unit-directives' />
- </refsect1>
-
- <refsect1>
- <title>Options on the kernel command line</title>
-
- <para>Kernel boot options for configuring the behaviour of the
- systemd process.</para>
-
- <variablelist id='kernel-commandline-options' />
- </refsect1>
-
- <refsect1>
- <title>Environment variables</title>
-
- <para>Environment variables understood by the systemd
- manager and other programs.</para>
-
- <variablelist id='environment-variables' />
- </refsect1>
-
- <refsect1>
- <title>UDEV directives</title>
-
- <para>Directives for configuring systemd units through the
- udev database.</para>
-
- <variablelist id='udev-directives' />
- </refsect1>
-
- <refsect1>
- <title>Network directives</title>
-
- <para>Directives for configuring network links through the
- net-setup-link udev builtin and networks through
- systemd-networkd.</para>
-
- <variablelist id='network-directives' />
- </refsect1>
-
- <refsect1>
- <title>Journal fields</title>
-
- <para>Fields in the journal events with a well known meaning.</para>
-
- <variablelist id='journal-directives' />
- </refsect1>
-