alevt-date -V (return code: 2)
alevt-date: --version: invalid option
alevt-date -h (return code: 0)
usage: alevt-date [options]
Valid options: Default:
-d -delta <max_secs> 7200 (2 hours)
-f -format <fmtstr> %c
-h -help
-s -set off
-to -timeout <seconds> (none)
-v -vbi <vbidev> /dev/vbi
/dev/vbi0
/dev/video0
/dev/dvb/adapter0/demux0