OPEN
OPEN CLOSE LOCK UNLOCK PICK
1
Syntax: open   [object|direction]
Syntax: close  [object|direction]
Syntax: lock   [object|direction]
Syntax: unlock [object|direction]
Syntax: 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.