Mac OS: Difference between revisions

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[[Category:Operating Systems]]'''Mac OS''' is the operating system used in [[Macintosh]] computers since their introduction. The current version of [[Mac OS X]], which traces its roots to [[wp:NextStep|NextStep]], [[wp:Mach (kernel)|Mach]], and [[BSD]]. 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]].
[[Category:Operating Systems]]'''Mac OS''' is the [[:Category:Operating Systems|operating system]] used in [[Macintosh]] computers since their introduction in 1984. The current version is [[Mac OS X]], which traces its roots to [[wp:NeXTSTEP|NeXTSTEP]], [[wp:Mach (kernel)|Mach]], and [[BSD]]. 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 Motorola 680x0 processor), which are unable to run versions newer than 8.1. (In fact, many older Macs can't run OS 8 at all.)
"Classic" (pre-X) 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 run [[wp:Mac OS 8|OS 8]] at all.) Depending on the specific model, PowerPC Macs support anywhere from [[wp:System 7|System 7.1.2]] up to OS X.

For more information, see [[wp:Mac OS|the Wikipedia page]].

Revision as of 18:11, 8 October 2009

Mac OS is the operating system used in Macintosh computers since their introduction in 1984. The current version is Mac OS X, which traces its roots to NeXTSTEP, Mach, and BSD. Pre-X versions of Mac OS were written in-house at Apple and were based in part on the slightly earlier, Lisa Office System.

"Classic" (pre-X) Mac OS is still in use on many older Macs, especially 68k Macs (Macs with a Motorola 680x0 processor), which are unable to run versions newer than 8.1. (In fact, many older Macs can't run OS 8 at all.) Depending on the specific model, PowerPC Macs support anywhere from System 7.1.2 up to OS X.

For more information, see the Wikipedia page.