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Many shortcuts (such as Ctrl+Z, Alt+E, etc.) are just common conventions and are not handled by the operating system. Whether such commands are implemented (or not) depends on how an actual application program (such as an editor) is written and the frameworks used.
A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key The rarely used ISO keyboard symbol for "Control". In computing, a Control keyCtrl is a modifier key which, when pressed in conjunction with another key, performs a special operation (for example, Ctrl+C).
Ctrl/⌘ + S. Use this early and often so you don’t lose what you’re working on in the event of a computer crash. Ctrl/⌘ + P. Opens a dialogue window to print whatever is open on your screen.
(⌘ Cmd or Ctrl) + Z: Redo (⌘ Cmd or Ctrl) + ⇧ Shift + Z: Copy selection (⌘ Cmd or Ctrl) + C "Copy" in context or browser menu Cut selection (⌘ Cmd or Ctrl) + X "Cut" in context or browser menu Paste selection (⌘ Cmd or Ctrl) + V "Paste" in context or browser menu Add a link to selection or current word (⌘ Cmd or Ctrl) + K ...
The positions of the "Z" and "Y" keys are switched. In English, the letter "y" is very common and the letter "z" is relatively rare, whereas in German the letter "z" is very common and the letter "y" is very uncommon. [1] The German layout places "z" in a position where it can be struck by the index finger, rather than by the weaker little finger.
Standard keyboards transmit this code when the Ctrl and Z keys are pressed simultaneously (Ctrl+Z, often documented by convention as ^Z). [1] Unicode inherits this character from ASCII, but recommends that the replacement character ( , U+FFFD) be used instead to represent un-decodable inputs, when the output encoding is compatible with it.
HTML and XML provide ways to reference Unicode characters when the characters themselves either cannot or should not be used. A numeric character reference refers to a character by its Universal Character Set/Unicode code point, and a character entity reference refers to a character by a predefined name.
Ctrl-C (in older Unixes, DEL) sends an INT signal ("interrupt", SIGINT); by default, this causes the process to terminate. Ctrl-Z sends a TSTP signal ("terminal stop", SIGTSTP); by default, this causes the process to suspend execution. [4] Ctrl-\ sends a QUIT signal ; by default, this causes the process to terminate and dump core.