Help Open Close Lock Unlock Pick

Syntax open   <direction>|[#.]<object>
       close  <direction>|[#.]<object>
       lock   <direction>|[#.]<object>
       unlock <direction>|[#.]<object>
       pick   <direction>|[#.]<object>

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.