OPEN CLOSE LOCK UNLOCK PICK

OPEN CLOSE LOCK UNLOCK PICK
Syntax: open   <object|direction>
        close  <object|direction>
        lock   <object|direction>
        unlock <object|direction>
        pick   <object|direction>

OPEN and CLOSE open and close an object or a door.

LOCK and UNLOCK lock and unlock a closed object or door.  You must have the
requisite key to LOCK or UNLOCK.

PICK can open a lock without having the key.  In order to PICK successfully,
you must practice the appropriate skill.