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macOS - Wikipedia
Finding what version and build number of macOS you have on your Mac
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The full list of all macOS versions until 2023
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macOS Versions in Order - A Chronological List and History
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macOS 11.0 Big Sur: The Ars Technica review | Ars Technica
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What Is macOS?
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Unarchived OS? : r/MacOS
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Look back at Mac OS X's history with 5K versions of all the default wallpapers - The Verge
How long do Macbooks last?
