Ctrl+Alt+Delete

Holding down the Control, Alt, and Delete keys simultaneously the computer will perform some action, depending upon the operating system being used. Check the list of actions by OS.

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What is Ctrl+Alt+Delete?

Holding down the Control, Alt, and Delete keys simultaneously. This action produces the following results (depending upon the operating system being used):

  • MS-DOS:
    Restarts the computer.

     

  • 16-bit Microsoft Windows, Windows 95, and Windows 98:
    Shows running tasks and allows you to terminate a task. A second Ctrl+Alt+Delete will restart the computer.

     

  • Windows NT:
    Brings up the Windows NT Security dialog box.

     

  • Windows 2000:
    Brings up the Windows Security dialog box.