From the NannyMUD documentation

LAST CHANGE

2000-12-18

COMMAND

NAME
        openarea - mark an area as open with the area deamon


AVAILABILITY
	This is a command for the admin.

SYNTAX
	openarea [path]

DESCRIPTION
	Without 'path given, all currently closed areas will be shown. With the
	'path' given, that area will be marked as opened with the area daemon.