Control-Alt-Delete is a computer keyboard command on IBM PC compatible computers, invoked by pressing the Delete key while holding the Control and Alt keys: Ctrl+Alt+Delete. The function of the key combination differs depending on the context but it generally interrupts or facilitates interrupting a function.

What does Ctrl-Alt-Delete do?

A. The key combination in Windows that enables a user to terminate an unresponsive application. When all three keys are pressed at the same time, the Task Manager utility, which displays all open apps, can be selected from a menu. The Task Manager enables the user to shut down the computer.

What is the shortcut for Ctrl-Alt-Delete?

It's executed by holding down the Ctrl and Alt keys together and then pressing the Del key. This keyboard command is also sometimes written with minuses instead of pluses, as in Ctrl-Alt-Del or Control-Alt-Delete. It's also referred to as the "three-finger salute."