
	-f		Force communication (wait if locked).
	-s		Silent - don't use with "status" command!
	-v		Validate lockfile modify time (if -L).
	-L <dir>	Check lockfile in <dir>/lock and return status.
	-F <file>	Communication file [default: `/dev/tty']

	command		Sent to `netinit', one of:
			curtail, kill, scan, shutdown, start, status, stop.
