Later systems that copied it include CP/M, DOS and Windows. Its popularity as an abort command was adopted by other systems including Unix. Later versions of Windows adopted the shortcuts using Control instead of the Command key.Ĭontrol+C was part of various Digital Equipment operating systems, including TOPS-10 and TOPS-20. IBM and early versions of windows used a different set of keys as part of IBM Common User Access. The four letters are all located together at the left end of the bottom row of the standard QWERTY keyboard. During the development of the Macintosh it was decided that the cut, paste, copy and undo would be used frequently and assigned them to the ⌘- Z (Undo), ⌘- X (Cut), ⌘- C (Copy), and ⌘- V (Paste). Larry Tesler created the concept of cut, copy, paste, and undo for human-computer interaction while working at Xerox PARC to control text editing. Usually the signal causes it to end, but the program may "catch" it and do something else, typically returning control to the user. It is a special sequence that causes the operating system to send a signal to the active program. In many command-line interface environments, control+C is used to abort the current task and regain user control. In graphical user interface environments that use the control key to control the active program, control+C is often used to copy highlighted text to the clipboard. It is generated by pressing the C key while holding down the Ctrl key on most computer keyboards. ![]() ![]() For the ASCII character, see end-of-text character.Ĭontrol-C is a common computer command. ![]() This article is about the keyboard shortcut.
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