The original Mac OS evolved a lot across those 18 years. And perhaps its single most important update, System 7, arrived 35 ...

This website runs a bunch of classic operating systems, complete with software and games. If you used a Mac computer in the '80s or '90s, you likely remember what's now called "Classic Mac OS", the ...

A retrospective on Mac OS from I to X showcases Apple's evolution in operating systems over the years.

If you yearn for the days of old Mac OS versions–we’re talking pre-OS X here–then your time has finally come. Software engineer Mihai Parparita has unveiled his latest project: Infinite Mac, which ...

June 8, 2009: Apple introduces OS X Snow Leopard, a version of its Mac operating system that ranks among the company’s finest desktop updates. Showcased at Apple’s Worldwide Developers Conference in ...