Control key

The Control key Ctrl is a key of the computer keyboard. It does not enter any letter, number or symbol on the screen. It is a special key. It is called Control, but we write "CTRL" as short form.

Control Key Media

A Control key (marked "Ctrl") on a Windows keyboard next to one style of a Windows key, followed in turn by an Alt key
The rarely used ISO keyboard symbol for "Control"

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