Mac OS (originally System Software; retronym: Classic Mac OS) is the series of operating systems developed for the Macintosh family of personal computers...

Apple Inc. for macOS that come bundled by default or are installed through a system update. Many of the default programs found on macOS have counterparts...

Mac OS 9 is the ninth and final major release of Apple's classic Mac OS operating system, which was succeeded by Mac OS X 10.0 in 2001, starting the Mac...

2001, for a price of $129 after a public beta. Mac OS X was Apple's successor to the classic Mac OS. It was derived from NeXTSTEP and FreeBSD, and featured...

ahead of all Linux distributions, including ChromeOS and SteamOS. Mac OS X succeeded classic Mac OS, the primary Macintosh operating system from 1984...

the company's project to replace its "classic" Mac OS. That system, up to and including its final release Mac OS 9, was a direct descendant of the operating...

Mac OS 8 is the eighth major release of the classic Mac OS operating system for Macintosh computers, released by Apple Computer on July 26, 1997. It includes...

that is now known as the classic Mac OS with its release of the original Macintosh System Software. The system, rebranded Mac OS in 1997, was pre-installed...

of Mac OS 8's "Platinum" user interface) or Carbon API. Mac OS X Server 1.0 contains a mix of features from the classic Mac OS, NeXTSTEP and Mac OS X....

either Mac OS X or the classic Mac OS. As the market has increasingly moved to the Cocoa-based frameworks, especially after the release of iOS, the need...