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  2. macOS version history - Wikipedia

    en.wikipedia.org/wiki/MacOS_version_history

    A few years later, in 2020, with the release of macOS Big Sur, the first component of the version number was incremented from 10 to 11, so Big Sur's initial release's version number was 11.0 instead of 10.16, making the version numbers of macOS behave the way the version numbers of Apple's other operating systems do. [37]

  3. List of Apple operating systems - Wikipedia

    en.wikipedia.org/.../List_of_Apple_operating_systems

    The original operating system for the Macintosh was the classic Mac OS, which was introduced in early 1984 as System Software. In 1997, System Software was renamed Mac OS. In 1999, Mac OS X Server 1.0 was released, followed by Mac OS X 10.0, the first consumer release of the Mac OS X.

  4. Mac OS X Snow Leopard - Wikipedia

    en.wikipedia.org/wiki/Mac_OS_X_Snow_Leopard

    Mac OS X Snow Leopard (version 10.6) (also referred to as OS X Snow Leopard [10]) is the seventh major release of macOS, Apple's desktop and server operating system for Macintosh computers. Snow Leopard was publicly unveiled on June 8, 2009 [11] at Apple’s Worldwide Developers Conference.

  5. Mac operating systems - Wikipedia

    en.wikipedia.org/wiki/Mac_operating_systems

    The system was launched as Mac OS X, renamed OS X from 2012—2016, [10] and then renamed macOS as the current Mac operating system that officially succeeded the classic Mac OS in 2001. The system was originally marketed as simply "version 10" of Mac OS, but it has a history that is largely independent of the classic Mac OS.

  6. macOS Monterey - Wikipedia

    en.wikipedia.org/wiki/MacOS_Monterey

    The operating system is named after Monterey Bay, continuing the trend of releases named after California locations since 2013's 10.9 Mavericks. macOS Monterey is the final version of macOS that supports the 2015–2017 MacBook Air, Retina MacBook Pro, 2014 Mac Mini, 2015 iMac and cylindrical Mac Pro, as its successor, macOS Ventura, drops ...

  7. System 7 - Wikipedia

    en.wikipedia.org/wiki/System_7

    With version 7.5.1, the name "Mac OS" debuted on the boot screen, and the operating system was officially renamed to Mac OS in 1997 with version 7.6. The Mac OS 7 line was the longest-lasting major version of the Classic Mac OSes due to the troubled development of Copland , an operating system intended to be the successor to OS 7 before its ...