=back
+=head2 Plugin C<exec>
+
+Please make sure to read L<collectd/"SPECIAL PLUGINS"> before using this
+plugin. It containes valueable information on when the executable is executed
+and the output that is expected from it.
+
+=over 4
+
+=item B<Exec> I<User> I<Executable>
+
+Execute the executable I<Executable> as user I<User>.
+
+=back
+
=head2 Plugin C<hddtemp>
=over 4
=back
+=head2 Plugin C<perl>
+
+=over 4
+
+=item B<LoadPlugin> I<Plugin>
+
+Loads the Perl plugin I<Plugin>. This does basically the same as B<use> would
+do in a Perl program.
+
+=item B<BaseName> I<Name>
+
+Prepends I<Name>B<::> to all plugin names loaded after this option. This is
+provided for convenience to keep plugin names short.
+
+=item B<IncludeDir> I<Dir>
+
+Adds I<Dir> to the B<@INC> array. This is the same as using the B<-IDir>
+command line option or B<use lib Dir> in the source code.
+
+=back
+
=head2 Plugin C<ping>
=over 4
Bottom line is, set this no smaller than the width of you graphs in pixels. The
default is 1200.
+=item B<RRATimespan> I<Seconds>
+
+Adds an RRA-timespan, given in seconds. Use this option mulitple times to have
+more then one RRA. If this option is never used, the built-in default of (3600,
+86400, 604800, 2678400, 31622400) is used.
+
+For more information on how RRA-sizes are calculated see B<RRARows> above.
+
=item B<XFF> I<Factor>
Set the "XFiles Factor". The default is 0.1. If unsure, don't set this option.