clamd --version (return code: 0)
ClamAV 0.99.2
clamd -h (return code: 0)
Clam AntiVirus Daemon 0.99.2
By The ClamAV Team: http://www.clamav.net/about.html#credits
(C) 2007-2015 Cisco Systems, Inc.
--help -h Show this help.
--version -V Show version number.
--debug Enable debug mode.
--config-file=FILE -c FILE Read configuration from FILE.