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Backspace key. Backspace (← Backspace, ⌫) is the keyboard key that in typewriters originally pushed the carriage one position backwards, and in modern computer systems typically moves the display cursor one position backwards, [note 1] deletes the character at that position, and shifts back any text after [note 2] that position by one character.
A QWERTY keyboard layout with the position of Control, Alt and Delete keys highlighted. Control-Alt-Delete (often abbreviated to Ctrl+Alt+Del and sometimes called the "three-finger salute" or "Security Keys") [1] [2] is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl+Alt+Delete.
The Teletype Model 33 provided a key labelled RUB OUT to punch this character (after the user backed up the tape using another button), and did not provide a key that produced the Backspace character (BS). Therefore, a number of less-expensive computer systems that used Teletypes used this key (and thus the Delete code) to ignore the previous ...
One example of this continued division of use is the type tool in Adobe Photoshop, where the return key produces a new line while the enter key ends editing mode. Another is Mathematica, where the Return key creates a new line, while the Enter key (or Shift-Return) submits the current command for execution.
Backspace: Moves the cursor left (but may "backwards wrap" if cursor is at start of line). ^I: 0x09: HT: Tab: Moves the cursor right to next tab stop. ^J: 0x0A: LF: Line Feed: Moves to next line, scrolls the display up if at bottom of the screen. Usually does not move horizontally, though programs should not rely on this. ^L: 0x0C: FF: Form Feed
For example, the key labelled "Backspace" typically produces code 8, "Tab" code 9, "Enter" or "Return" code 13 (though some keyboards might produce code 10 for "Enter"). Many keyboards include keys that do not correspond to any ASCII printable or control character, for example cursor control arrows and word processing functions. The associated ...
On many notebook computer keyboards the key labeled Delete (sometimes Delete and Backspace are printed on the same key) serves the same purpose as a Backspace key. The Backspace key deletes the preceding character. Lock keys lock part of a keyboard, depending on the settings selected. The lock keys are scattered around the keyboard.
Unicode input is method to add a specific Unicode character to a computer file; it is a common way to input characters not directly supported by a physical keyboard. Characters can be entered either by selecting them from a display, by typing a certain sequence of keys on a physical keyboard, or by drawing the symbol by hand on touch-sensitive ...