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In 1984 Apple Computer unveiled their Macintosh. It included a new user interface that revolutionized the way people though about computer interaction. Originally referred to as simply 'Macintosh System', 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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It is possible to write Macintosh 400k/800k images to a real disk using a Kryoflux.
Note: Wikipedia's/Apple's Developer CD Classic Mac OS 'System Software' numbering scheme is GARBAGE and should NOT be used.
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Release notes
System 1.0 (0.97), Finder 1.0 was the first official, stable release. It was released in 1984 with the original Macintosh and ran with 128k RAM, 400k 3.5' floppy drive, monochrome video, and a mouse. It used a flat file system (MFS) that only emulated folders. Officially the System revision was 1.0, but the internal number reported '0.97'.
The Macintosh Guided Tour was also released with the original Macintosh, but contained an earlier System 0.85, Finder 1.0. Notably the finder still had icons of the Twiggy Macintosh!
System 1.1, Finder 1.1g improved font support, disk copying, and startup speed.
macOS is the operating system that powers every Mac. It lets you do things you simply can’t with other computers. That’s because it’s designed specifically for the hardware it runs on — and vice versa. macOS comes with an entire suite of beautifully designed apps. It works hand in hand with iCloud to keep photos, documents, and other stuff up to date on all your devices. It makes your Mac work like magic with your iPhone and other Apple devices. And it’s been built from the ground up with privacy and security in mind.
Featuring all-new, dedicated apps for music, TV, and podcasts. Smart new features in the apps you use every day. And Sidecar, which lets you use iPad as a second Mac display.
Easy to Use When it’s simple to
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