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The Register of UNIX® Certified Products

opengroup.org · first added by @joemac
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discussions · 1
Apple/macOS removed from official Unix registry 298 pts · 247 comments · Oct 2026 298 pts · 247 comments · Oct 2026
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from the discussion · 5
The story behind OS X’s Unix compliant certification quora.com quora.com
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https://retrocomputing.stackexchange.com/questions/27095/why-was-macos-unix-certified retrocomputing.stackexchange.com retrocomputing.stackexchange.com
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Apple’s macOS UNIX certification is a lie osnews.com osnews.com
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Unix is dead. Long live Unix! theregister.com theregister.com
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EulerOS en.wikipedia.org en.wikipedia.org
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related HN threads · 2
The story behind OS X’s Unix compliant certification 456 pts · 159 comments · Jan 2022 456 pts · 159 comments · Jan 2022
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macOS Tahoe is certified Unix 03 [pdf] 221 pts · 194 comments · Sep 2025 221 pts · 194 comments · Sep 2025
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