From the NannyMUD documentation

LAST CHANGE

2000-12-18

COMMAND

NAME
        in - do a command in a remote location.


SYNTAX
	in  

DESCRIPTION
	Execute the command 'command' in the location 'where'. The location can
	be any object in the game. This is done by moving the wizard to the
	location, executing the command and then moving the wizard back again
	to the original location.


NOTE
	init() will be run in both locations, as well in various other objects.