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macOS. macOS Big Sur (version 11) is the seventeenth major release of macOS, Apple 's operating system for Macintosh computers. It was announced at Apple's Worldwide Developers Conference (WWDC) on June 22, 2020, [4] and was released to the public on November 12, 2020. [5][4][6] Big Sur was the successor to macOS Catalina (macOS 10.15).
However, the current macOS is a UNIX operating system built on technology that had been developed at NeXT from the 1980s until Apple purchased the company in early 1997. [1]. macOS components derived from BSD include multiuser access, TCP/IP networking, and memory protection. [2] Although it was originally marketed as simply "version 10" of Mac ...
Mac OS X succeeded classic Mac OS, the primary Macintosh operating system from 1984 to 2001. Its underlying architecture came from NeXT 's NeXTSTEP, as a result of Apple's acquisition of NeXT, which also brought Steve Jobs back to Apple. The first desktop version, Mac OS X 10.0, was released on March 24, 2001.
macOS Monterey (version 12) is the eighteenth major release of macOS, Apple 's desktop operating system for Macintosh computers. The successor to macOS Big Sur, it was announced at WWDC 2021 on June 7, 2021, [3][4][5][6] and released on October 25, 2021. [7][8] macOS Monterey was succeeded by macOS Ventura, which was released on October 24 ...
macOS. macOS Catalina (version 10.15) is the sixteenth major release of macOS, Apple Inc. 's desktop operating system for Macintosh computers. It is the successor to macOS Mojave and was announced at WWDC 2019 on June 3, 2019 and released to the public on October 7, 2019.
OS X Mavericks (version 10.9) is the 10th major release of macOS, Apple Inc. 's desktop and server operating system for Macintosh computers. OS X Mavericks was announced on June 10, 2013, at WWDC 2013, and was released on October 22, 2013, worldwide. The update emphasized battery life, Finder improvements, other improvements for power users ...
macOS Sequoia (version 15) is the twenty-first and current major release of Apple 's macOS operating system, the successor to macOS Sonoma. It was announced at WWDC 2024 on June 10, 2024. [4] In line with Apple's practice of naming macOS releases after landmarks in California, it is named after Sequoia National Park, located in the Sierra ...
macOS Sonoma (version 14) is the twentieth major release of macOS, Apple 's operating system for Mac computers. The successor to macOS Ventura, it was announced at WWDC 2023 on June 5, 2023, [3] and released on September 26, 2023. It is named after the wine region located in California's Sonoma County. [4][5]