(computing) Abbreviation of control key.

Abbreviation of control.

(slang) Alternative form of ctrl. Abbreviation of control.

Abbreviation of control.

Alternative form of ctrl. Abbreviation of control.

(Internet, technology) to copy, to save to one's clipboard.

(computing) to paste, usually from a clipboard that was previously saved via ctrl-c.

(computing) The simultaneous key combination of Ctrl, Alt, and Delete.

(science fiction, sometimes humorous) Said by a sentient machine to express the desire to kill or destroy something or someone.

(computing, literally) To press Ctrl, Alt, and Delete simultaneously to restart. / (figuratively) To reset.