@clist -- Shows a list of all channels you can listen to.
@add-net <net> - Starts listening to this net.
@rem-net <net> - Stops listening
addcom <alias>=<net> -- Redefines the talk alias for the channel. By default Newbie net's alias is 'new'. So you type 'new Hello!' If you want to change new to something else, use this command.