OS X (pron.: /ËoÊ És ËtÉn/),[nine] previously Mac OS X, is a series of Unix-based mostly graphical interface running systems developed, marketed, and marketed by Apple Inc. It is made to run solely on Mac computer systems, obtaining been pre-loaded on all Macs considering that 2002. It was the successor to Mac OS nine, unveiled in 1999, the closing launch of the "classic" Mac OS, which experienced been Apple's principal operating program given that 1984. The 1st variation unveiled was Mac OS X Server one. in 1999, and a desktop version, Mac OS X v10. "Cheetah" followed on March 24, 2001. Releases of OS X are named right after large cats: for instance, OS X v10.eight is referred to as "Mountain Lion".OS X, whose X is the Roman numeral for ten and is a prominent element of its model identity, is built on systems produced at Up coming among the second fifty percent of the eighties and Apple's purchase of the business in late 1996. The 'X' is also used to emphasize the relatedness among OS X and UNIX. Variations 10.five "Leopard" jogging on Intel processors,[three] 10.6 "Snow Leopard", 10.7 "Lion" and 10.eight "Mountain Lion"[five] have received UNIX 03 certification. iOS, which runs on the Iphone, iPod Contact, iPad, and the 2nd and third generation Apple Tv set, shares the Darwin core and several frameworks with OS X. An unnamed variant of v10.four driven the first generation Apple Tv.
A History of Apple Computer and Mac OS
Mac Os X Snow Leopard - The Missing Manual