On 7/19/23 7:34 AM, Attila Fogarasi wrote:
MVS/SP 5.1 in April 1994 announcement letter stated X/OPEN
certification was being applied for, my memory is that it was
obtained by GA date. MVS/SP 4.3 which introduced Open Edition had
NIST certification and some POSIX standards implemented but not all.
Interesting information.
Neither were actually complete enough to port any significant code,
despite the certification.
I've seen multiple indications that POSIX compliance was effectively
simply (ab)used as checkbox compliance.
I've seen a video / talked to someone about their efforts to compile
simple Unix utilities using the POSIX subsystem in Windows NT and the
herculean effort that they had to go through to get anything more than a
simple Hello World to work.
I have yet to see any indication that POSIX was more than a paper tiger.
Though obviously my ignorance thereof does not preclude it from existing.
Grant. . . .
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