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
Portuguese keyboard layout Portuguese keyboard layout There are two QWERTY-based keyboard layouts used for the Portuguese language. Additionally, there are two variants of the Dvorak Simplified Keyboard designed for Brazilian Portuguese. Typewriters in Portuguese-speaking countries generally have a separate extra key for "Ç", and a dead key for each diacritic except the cedilla; so that "Á" is obtained by typing first the acute accent, then the letter "A". The same thing happens with computer keyboards, except when using an "English – International" keyboard layout, where to type "Ç" one should first type the acute accent and then the letter "C". The Brazilian keyboards