Unverified50% confidenceFactExact time
Linux is a UNIX-like system, but it likewise has not obtained UNIX certification from the Open Group.
1
Sources
50%
Confidence
Long-term
Relevance
10/22/2026
First Seen
Sources
macOS Is No Longer UNIX: Apple Didn't Renew Certification, But the Technology Is Unchanged
youtubeThe Lunduke Journal10/22/2026
Related Entities
Related Claims
UnverifiedFreeBSD, NetBSD and OpenBSD, systems directly descended from UNIX lineage, are not certified as UNIX by the Open Group.77% similarUnverifiedLinux compatibility layers (such as FreeBSD's linuxulator and NetBSD's Linux emulation) implement the Linux system call interface in the native kernel so that Linux binaries can run without modification.71% similarUnverifiedThe patches have not yet been merged into the Linux kernel mainline.65% similarUnverifiedVoid Linux is a rolling-release distribution independent of mainstream lineages such as Debian and Arch.64% similar
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