As a purely technical note, there *is* a Linux which is a UNIX: Inspur K-UX. Mor...

		msla on Oct 28, 2018 \| parent \| context \| favorite \| on: What I Learned from porting my projects to FreeBSD As a purely technical note, there is a Linux which is a UNIX: Inspur K-UX. More philosophically, insisting on a definition of UNIX which includes z/OS and excludes Seventh Edition Unix isn't going to win you many friends. http://www.opengroup.org/csq/repository/norationale=1&norefe... And speaking of aliens from outer space, z/OS is a JCL-eating Martian speaking EBCDIC through its virtual cardpunch. ;)

We've written about certified UNIX wrt macOS vs. Linux here - https://github.com/shlomif/Freenode-programming-channel-FAQ/... .