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

<> on June 11, 2012 in San Francisco, California. How do you prep a venerable computer operating system to flourish in late 2012 and beyond? We’re about to get answers to that question from both Apple ...

Macworld A lot of Mac users don’t remember a time before Mac OS X (or macOS, or OS X, depending on the era), but before OS X ...

Apple’s macOS operating system has changed a lot over the last 25 years, with new features and designs coming and going as the decades have passed. Even the name has been adjusted, starting out as Mac ...

A screen shot shows the price of the Mountain Lion OS update during the Apple Worldwide Developers Conference 2012 in San Francisco, California June 11, 2012. REUTERS/Stephen Lam (UNITED STATES - Tags ...