I think MVS/ESA Unix was certified to posix standard for U.S government contracts. Somebody paid for Linux to get the same certification about the same era. Most Linuxes are not certified. https://unix.stackexchange.com/questions/522413/why-are-most-linux-distributions-not-posix-compliant
On Fri, May 26, 2023 at 9:31 AM Matt Hogstrom <m...@hogstrom.org> wrote: > > IMHO Unix certification is not particularly relevant these days … it’s Linux > tool chain compatibility that is. I spend time frequently having to adjust > to old “Unix” utilities and command line arguments that are not supported > (grep -r anyone?) > > A refresh of the toolchain and open source languages would be more awesome > than Unix95 certification. > > Matt Hogstrom > m...@hogstrom.org > > “It may be cognitive, but, it ain’t intuitive." > — Hogstrom > > > > > On May 26, 2023, at 9:40 AM, Tony Harminc <t...@harminc.net> wrote: > > > > The only use I have found in many years for having z/OS UNIX certified is > > so that when someone says they hear that z/OS has a "UNIX emulator" or any > > one of many similar bogus claims, I can say "No, z/OS *is* UNIX. And BTW > > Linux is *not* UNIX." (Of course the FSF would say, Gnu's Not Unix.)" > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
