Keyboard layout France, Belgium, and some African countries. It differs from the QWERTY layout thus: Lithuanian keyboards use a layout known as ĄŽERTY, where Ą appears in place of Q above A, Ž in place of W above S, and Ū in place of X below S, with Q, W, and X being available either on the far right-hand side or by use of the AltGr key. Besides ĄŽERTY, the Lithuanian QWERTY keyboard is also used. The QZERTY layout was used mostly in Italy, where it was the traditional typewriter layout. In recent years, however, a modified QWERTY layout with stressed keys
Fn key Fn key in Mac OS X. Fn is a modifier key, and works like other modifiers keys, such as Ctrl, Shift, Alt and AltGr. For a standard modifier key, the microcontroller inside the keyboard sends a scancode for the modifier itself, which is then interpreted by the operating system and combined with other simultaneous key-presses. The Fn key is a form of meta-modifier key, in that it causes the operating system to see altered scancodes when other keys on the keyboard are pressed. This allows the keyboard to directly emulate a full-sized keyboard, so the operating system can use standard