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
Hebrew keyboard key (or pressing Caps Lock) in Windows produces the uppercase Latin letter without the need to switch layouts. There are a variety of layouts that, for the most part, follow the phonology of the letters on a Latin-character keyboard such as the QWERTY or AZERTY. Where no phonology mapping is possible, or where multiple Hebrew letters map to a single Latin letter, a similarity in shape or other characteristic may be chosen. For instance, if ס ("samech") is assigned to the S key, ש (shin/sin) may be assigned to the W key, which it arguably resembles. The shift key is