Command key keyboard of the NeXT Computer that key was marked in green. The menus were not marked with a symbol denoting the command key. Besides being used as a modifier key for keyboard shortcuts it was also used to alter the function of some keys. toggles alpha lock, sends Enter and toggles Mute. The functions were printed in green on the front side of the modified keys. This was also done on the Z, X, C and V keys (Undo, Cut, Copy and Paste). On the NeXT ADB keyboard, the Command keys were replaced by keys labeled and the Command key
Keyboard layout so the computer groups them together as the user types. Pressing the Han/Eng() key once switches between Hangul as shown, and QWERTY. There is another key to the left of the space bar for Hanja( or ) input. If using an ordinary keyboard without the two extra keys, the right Alt key will become the Ha/En key, and the right Ctrl key will become the Hanja key. Apple Keyboards do not have the two extra keys. Dubeolsik (두벌식; 2-set) is by far the most common and the sole national standard of Hangul keyboard layout in use in South Korea since