Usage:
 anacron [options] [job] ...
 anacron -T [-t anacrontab-file]

Options:
 -s         Serialize execution of jobs
 -f         Force execution of jobs, even before their time
 -n         Run jobs with no delay, implies -s
 -d         Don't fork to the background
 -q         Suppress stderr messages, only applicable with -d
 -u         Update the timestamps without actually running anything
 -V         Print version information
 -h         Print this message
 -t <file>  Use alternative anacrontab
 -T         Test an anacrontab
 -S <dir>   Select a different spool directory

See the anacron(8) manpage for more details.