Store new data values into an RRD. Check L<rrdupdate>.
+=item B<updatev>
+
+Operation equivalent to B<update> except for output. Check L<rrdupdate>.
+
=item B<graph>
Create a graph from data stored in one or several RRD. Apart from
Find last update time of an RRD. Check L<rrdlast>.
+=item B<info>
+
+Get information about an RRD. Check L<rrdinfo>.
+
=item B<rrdresize>
Change the size of individual RRAs ... Dangerous! Check L<rrdresize>.