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
Dvorak Simplified Keyboard standard keyboard layout). The Dvorak pattern was designed with the belief that it would significantly increase typing speeds with respect to the QWERTY layout. Dvorak believed that there were many problems with the original QWERTY keyboard pattern such as: Dvorak studied letter frequencies and the physiology of the hand and created a new pattern to alleviate the above problems, based on the following principles: The Dvorak pattern is intended for the English language. For other European languages, letter frequencies, letter sequences, and bigrams differ from those of English. Also, many languages have letters that do not occur in English. For