Mac OS Logo — Mac OS is the name of the operating system from Apple for Macintosh computers. The term is derived from Mac tosh O perating S ystem, a term that has been used ever. Unlike the other popular operating systems Windows and Linux distributions, Mac OS only runs on the computers of Apple , and various so-called Mac clones , which were produced in the 1990s.

Mac OS is a registered trademark that has a number of GUI -based operating systems from Apple Inc. (formerly Apple Computer Inc.) for their Macintosh computer systems known. The operating system that Apple later than Mac OS was called, was an integral part of the system software of the computer was published in 1984 Macintosh . At that time it was called just “system”. It was a stripped down version of the system that the previous generation of computers Lisa was used.

For years, Apple has downplayed the existence of the operating system on purpose to appear on Macintosh systems to use and to set themselves apart from other operating systems. Much of this early system software was used directly in the ROM stored. Updates for this were typically free of charge by Apple dealers on floppy disks distributed. With increasing storage capacity and performance, it was impossible to keep a modern GUI operating system in ROM and update it so that the later versions ( System 7 , System 7.5 and System 7.6 in 1997) were sold as a separate, fee-based products.

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