macOS is the operating system Apple has developed and marketed for its Mac computers since 2001, built on a proprietary Unix foundation derived from OPENSTEP and FreeBSD. It remains the second most widely used desktop operating system worldwide, behind Microsoft Windows and ahead of the various Linux distributions. The most recent version, as of 2026, is macOS 26 Tahoe, the operating system's twenty second major release.
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1. Wikipedia: macOS
WikipediaIntroduction, GICS sector classification
macOS is a proprietary Unix operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by Apple since 2001.
Introduction, offering kind classification
macOS is a proprietary Unix operating system, derived from OPENSTEP for Mach and FreeBSD, which has been marketed and developed by Apple since 2001.
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