Classic Mac OS
Operating system
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Mac OS is the series of operating systems developed for the Macintosh family of personal computers by Apple Computer, Inc. from 1984 to 2001, starting with System 1 and ending with Mac OS 9. The Macintosh operating system is credited with having... Wikipedia
Initial release date: January 24, 1984
Developer: Apple
License: Proprietary software
Default user interface: Graphical
OS family: Macintosh
Platforms: Motorola 68k (1.0–8.1); PowerPC (7.1.2–9.2.2)
Source model: Closed source