In 1984 Apple Computers unveiled their Macintosh computer. It included a new user interface that revolutionized the way people though about computer interaction. Originally referred to as simply "Macintosh System Software", the underlying OS was a single-tasking disk system for the Motorola 68K CPU. Significant changes were made in MacOS 7.x.
Emulation note: For MacOS 0.x-6.x we recommend the vMac Mini emulator.
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This is a pre-release of Apple MacOS used with the 5.25" Twiggy prototype Macintosh.
|End of Life:||Unknown|
|Apple MacOS Twiggy Pre-Release (5.25-Twiggy)||Twiggy Prototype||428.78 KB||English||m68k||5.25" Floppy|
|Sony Test 6.9 with Flounder 4.4 (3.5-400k)||6.9||366.93 KB||English||m68k||3.5" Floppy|
|Sony Test 7.0 with Finder 4-Oct-83 (3.5-400k)||7.0||162.43 KB||English||m68k||3.5" Floppy|