However, what it accomplishes is unique based on the context in which it’s used.
It’s executed by holding down theCtrlandAltkeys together and then pressing theDelkey.
This keyboard command is also sometimes written with minuses instead of pluses, as inCtrl-Alt-DelorControl-Alt-Delete.
Lifewire / Julie Bang
It’s also referred to as the “three-finger salute.”
Doing so might also restart the computer while in Windows if Windows is locked up in a certain way.
For example, using Ctrl+Alt+Del during thePower On Self Testreboots the computer.
SeeHow Do I Restart My Computer?if you’re not sure how to do it the right way.
In Windows XP and prior, the keyboard shortcut just starts Task Manager.
More Information on Ctrl+Alt+Del
SomeLinux-basedoperating systems let you use the Ctrl+Alt+Del shortcut for logging out.
Ubuntu and Debian are two examples.
you’re free to also use it to reboot an Ubuntu Server without having to enter first.
Windows will assume you want to use it onyourcomputer instead.
The same is true for other applications like that, likeVMware Workstationand othervirtual desktop software.
macOSdoesn’t use the Ctrl+Alt+Del keyboard shortcut but instead utilizes Command+Option+Esc to invoke the Force Quit Menu.
will appear as a sort of Easter egg, or hidden joke embedded in the software.
Here’s more info aboutCtrl+Alt+Del on Macs.
When Control+Alt+Delete is used inXfce, it immediately locks the screen and starts the screensaver.
Control+Alt+Delete is also used to mean “to end” or “do away with.”
“Ctrl+Alt+Del” (“CAD”) is also a webcomic by Tim Buckley.
FAQ
Yes.
By editing the Windows Registry, you candisable the Task Manager within Windowsand thus suspend the Ctrl+Alt+Del keyboard shortcut.
However, the Task Manager is a useful utility best kept enabled.
Use theCtrl+Shift+Esckeyboard shortcut instead of Ctrl+Alt+Del when using Windows remotely.
The remote computer will need to have its Task Manager enabled to do this, though.
