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OS X version 10 of the Apple Macintosh is an operating system. OS X was described from Apple, as its first “complete revision” of the operating system, as in the previous version of OS 9, with an emphasis on modularity, so that future changes will be easier to incorporate. OS X includes support UNIX-based applications, as well as those that are written for the Macintosh only.

One of the most noticeable differences from earlier versions on Mac OS is a desktop with the 3-D appearance. OS X also includes the ability to play Quicktime movies at a speed icon instant awakening from sleep capacity for laptops, support for DVD-movies and the ability to create an audio CD and. OS X can be installed on an existing Mac running OS 9, it allows users to choose which one to use when you start your computer.

Mac OS X Mountain Lion is the latest version of the Mac OS X operating system, after the previous updates for the operating system includes: Cheetah, Puma, Jaguar, Panther, Tiger, Leopard, Snow Leopard and Lion.

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