quota must be considered as a classic daemon
we should (for debian) : stop service : do a "/etc/init.d/quota stop" start service : do a "argonaut-apply-quota && /etc/init.d/quota start" get status : do a "/etc/init.d/quota status"
(from redmine: issue id 2274, created on 2013-04-09, closed on 2013-04-10)