Control-Alt-Delete
Sign in to saveAlso known as Ctrl-Alt-Delete, three-finger salute, Security Keys, Ctrl+Alt+Delete, Ctrl+Alt+Del
thumb|upright=2|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") is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: . The function of the key combination differs depending on the context but it generally interrupts or facilitates interrupting a function. For instance, in pre-boot environment (before an operating system starts) or in MS-DOS, Windows 3.0
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15 sectionsContents
- History
- BIOS
- Windows
- DOS-based Windows{{Anchor|Local}}
- Windows NT family
- OS/2
- Mac
- Linux
- Equivalents on various platforms
- Cultural adoption
- See also
- Notes
- References
- Further reading
- External links
thumb|upright=2|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") is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: . The function of the key combination differs depending on the context but it generally interrupts or facilitates interrupting a function. For instance, in pre-boot environment (before an operating system starts) or in MS-DOS, Windows 3.0 and earlier versions of Windows or OS/2, the key combination reboots the computer. Starting with Windows 95, the key combination invokes a task manager or security related component that facilitates ending a Windows session or killing a frozen application.
== History == thumb|Original IBM PC 5150 keyboard: It is very difficult to press Ctrl+Alt+Del with one hand only