Description

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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. It is invoked by pressing the Delete
key while holding the Control and Alt keys: Ctrl+Alt+Delete. It forces a
soft reboot, brings up the task manager (on Windows and BeOS) or a jump
to ROM monitor. In most X desktops it brings up the Logout dialog. These
keys are sometimes referred to in computer manuals as interrupt keys,
since they are often used to interrupt the operation of a malfunctioning
program.