Mac OS X 10.9 Mavericks is coming this fall, bringing iOS features into the fold along with other additions, including iBooks, Apple Maps, Finder Tabs, and a number of other time-saving enhancements.
История создания Mac OS X Для повторения старого материала: история Mac 128k - https://www.youtube.com/watch?v=FmSpWDLTAQM и история
In this video I show you how to reinstall MAC OS X on your apple computer. This method should work on all apple computers and with all recent versions of MAC OS. For this guide I used a friends