alt Hacker NewsI never quite understood what the point of this was beyond marketing. Linux is also not listed probably because no one ever paid to have it listed
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Enterpise espeically banking need standard and certification for reliability thats why , also certain Linux distro had certified before from China based on RHEL.
This is UNIX 03 certified OS with OSS alternatives from I gathered on internet :
- Apple OS X 10.7 - Apple macOS 26 , provide OSS Darwin 9 - Darwin 26
- Oracle Solaris 10 / 11 , provide OSS OpenSolais , then Illumos
- EulerOS 2.0 , based on RedHat Enterprise Linux / RHEL 7 and 8
- Inspur K-UX 2.0 , based on RedHat Enterprise Linux / RHEL 5
- Inspur K-UX 3.0 , based on RedHat Enterprise Linux / RHEL 7
Enterprise. Checklists.
It is specific Linux distributions that would be Unix-certified. Huawei had one; not sure if it has ever been on this page.
It was a legal problem, and an interesting story: https://www.quora.com/What-goes-into-making-an-OS-to-be-Unix...
Apparently it was for legal reasons. Apple was sued by the Open Group for describing Mac OS X as Unix® so they decided it was cheaper to bring it up to spec rather than to fight the lawsuit.
https://retrocomputing.stackexchange.com/questions/27095/why...
https://www.quora.com/What-goes-into-making-an-OS-to-be-Unix...