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Line 1: [[Category:Operating Systems]] ~~[[Category:Operating Systems]]~~'''Mac OS''' is the [[:Category:Operating Systems\|operating system]] used in [[wp:Macintosh\|Macintosh]] computers since their introduction in 1984. Some appliances (notably the [[wp:iPhone\|iPhone]] and [[wp:iPad\|iPad]]) also run derivative versions of Mac OS. The current version is '''[[wp:Mac OS X\|Mac OS X]]''' 10.6 (often referred to as simply '''OSX'''), which is derived from [[wp:NeXTSTEP\|NeXTSTEP]], and has a [[wp:Mach (kernel)\|Mach]] microkernel running a [[BSD]] compatibility layer. Most applications are written in [[:Category:Objective-C\|Objective-C]] using the [[Cocoa]] framework. "'''Mac'''" is a term which describes the broader class of Apple computer hardware and their Macintosh operating systems. ==Older versions== Pre-X versions of Mac OS were written in-house at Apple and were based in part on the slightly earlier [[wp:Apple Lisa\|Lisa Office System]]. "Classic" Mac OS is still in use on many older Macs, especially 68k Macs (Macs with a [[wp:Motorola 68000 family\|Motorola 680x0]] processor), which are unable to run versions newer than 8.1. (In fact, many older Macs can't even run [[wp:Mac OS 8\|OS 8]] at all.) Depending on the specific model, [[wp:PowerPC\|PowerPC]] Macs support anywhere from [[wp:System 7\|System 7.1.2]] up to OS X 10.5. (OS X 10.6 dropped support for PowerPC Macs.) =See also= ~~For more information, see~~* [[wp:Mac OS\|Wikipedia's Mac OS page]].

Mac OS: Difference between revisions

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Revision as of 23:02, 2 February 2011