Cut, copy, and paste Apple mapped the functionalities to key combinations consisting of the Command key (a special modifier key) held down while typing the letters X (for cut), C (for copy), and V (for paste), choosing a handful of keyboard shortcuts to control basic editing operations. The keys involved all cluster together at the left end of the bottom row of the standard QWERTY keyboard, and each key is combined with a special modifier key to perform the desired operation: The IBM Common User Access (CUA) standard also uses combinations of the Insert, Del, Shift and Control keys. Early versions of Windows used
Keyboard layout is similar to the Greek in that in most (but not all) cases, a given Armenian letter is at the same location as the corresponding Latin letter on the QWERTY keyboard. The illustrated keyboard layout can be enabled on Linux with: . Western and Eastern Armenian have different layouts. The current official Bulgarian keyboard layout for both typewriters and computer keyboards is described in BDS (Bulgarian State/National Standard) 5237:1978. It superseded the old standard, BDS 5237:1968, on 1 January 1978. Like the Dvorak keyboard, it has been designed to optimize typing speed and efficiency, placing the most common letters in