Mouse on the Keys

Mouse keys is a feature of some graphical user interfaces that uses the keyboard (especially numeric keypad) as a pointing device (usually replacing a mouse). Its roots lie in the earliest days of visual editors when line and column navigation was controlled with arrow keys.
Today, mouse keys usually refers to the numeric keypad layout standardized with the introduction of the X Window System in 1984.
Historically, MouseKeys supported GUI programs when many terminals had no dedicated pointing device. As... meer