Control-Alt-Delete (often abbreviated to Ctrl-Alt-Del, also known as the "three-finger salute") is a computer keyboard command on IBM PC compatible systems that can be used to reboot the computer, and summon the task manager or Windows Security in more recent versions of the Microsoft Windows operating system, which provides the option to end programs, view CPU and memory usage, and start new programs, in addition to rebooting, shutting down, or logging out of the computer.[6] This does not function on Mac OS. | |||||
| The keys Control-Alt-Delete highlighted on a QWERTY keyboard. |
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| The Windows Security Dialog in Windows XP provides various security-related options. |
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| The Windows Task Manager in Windows XP. |
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