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
QWERTY and Belgium, the Canadian French layout is a true QWERTY and as such is also relatively commonly used by English speakers in the US and Canada (using standard QWERTY keyboards) for easy access to accented letters found in some of the French words commonly used in English. It can be used to type all accented French characters, as well as some from other languages. It also serves all English functions as well. It is popular mainly because of its close similarity to the basic US keyboard commonly used by English-speaking Canadians and Americans, historical use of US-made typewriters by French-Canadians,