rrdtool --version (return code: 0)
RRDtool 1.5.5 Copyright by Tobias Oetiker <tobi@oetiker.ch>
Compiled 2016-03-23 10:46:12
Usage: rrdtool [options] command command_options
Valid commands: create, update, updatev, graph, graphv, dump, restore,
last, lastupdate, first, info, fetch, tune
resize, xport, flushcached
RRDtool is distributed under the Terms of the GNU General
Public License Version 2. (www.gnu.org/copyleft/gpl.html)
For more information read the RRD manpages
rrdtool --help (return code: 0)
RRDtool 1.5.5 Copyright by Tobias Oetiker <tobi@oetiker.ch>
Compiled 2016-03-23 10:46:12
Usage: rrdtool [options] command command_options
Valid commands: create, update, updatev, graph, graphv, dump, restore,
last, lastupdate, first, info, fetch, tune
resize, xport, flushcached
RRDtool is distributed under the Terms of the GNU General
Public License Version 2. (www.gnu.org/copyleft/gpl.html)
For more information read the RRD manpages