Substitute character actions than the last one can also be undone by pressing multiple times. was one of a handful of keyboard sequences chosen by the program designers at Xerox PARC to control text editing. Presumably these particular keystrokes were chosen because of their location on a standard QWERTY keyboard, since the Z (undo), X (cut), C (copy), and V (paste) keys are located together at the left end of the bottom row of the standard QWERTY keyboard. Substitute character A substitute character (␚) is a control character that is used in the place of a character that is recognized to be
Dvorak Simplified Keyboard Dvorak Simplified Keyboard The Dvorak Simplified Keyboard ( ) is a keyboard layout patented during 1936 by August Dvorak and his brother-in-law, William Dealey. Several modifications have since been designed by the team directed by Dvorak or by ANSI. These variations have been collectively or individually termed the Simplified Keyboard or American Simplified Keyboard, but they all have come to be known commonly as the Dvorak keyboard or Dvorak layout. Dvorak proponents claim the layout requires less finger motion and reduces errors compared to the standard QWERTY keyboard arrangement. It is claimed that the reduction in finger distance traveled permits