A command-line utility to interact with the Firecracker version of
 X10's home control devices (wireless home automation to control lights,
 cameras, appliances via a small transmitter that plugs into the standard
 RS-232 serial port of a computer).
 .
 Also included is rocket launcher, a graphical frontend to bottlerocket.
 If you want this functionality you should have wish (tk8.3 or tk8.4 - the
 Tcl/Tk interpreter) installed.