Apple Wireless Keyboard the initial release. The new model now uses only two AA batteries instead of three originally. Additionally, Mac OS X 10.5.8 is now the minimum OS over the original Mac OS X 10.4.10. This model of keyboard became standard with new generation of iMacs introduced on the same day. On July 20, 2011, following the release of Mac OS X 10.7/OS X Lion, Apple updated the keyboard slightly, updating the label on the Exposé key to Mission Control and changing the Dashboard key to a Launchpad key. Keyboard layouts with a rectangular Enter key are available in American English and
PLUM keyboard keyboard layouts, their pains went away. While there are currently no good studies comparing the efficiency of the PLUM and Dvorak keyboards, the Dvorak keyboard is more mainstream, but the PLUM keyboard has a keyboard layout that many find more memorable, with the rows spelling out the words "PLUM," "READONTHIS" and "WXYZ". As of 2012, PLUM keyboards were no longer being manufactured. PLUM keyboard The PLUM keyboard is a computer keyboard which varies from the traditional QWERTY keyboard in both physical key layout and letter arrangement. Unlike most keyboards, the PLUM keyboard organizes keys in a square grid, as opposed