~OLCommand :~RS set room
~OLUsage   :~RS set room

This attribute is a toggle, meaning that if it is off, using this turns it
on, if it is on, using this turns it off, and it will indicate as such.
This setting changes where you will enter upon login.  Default is the main
room.  You can change to the room you left from if so desired, provided
that the room you left is public.  If the room you left from when you
login is now private, you will be sent to the main room by default.