386 Unix (In)compatibilities Summary

John Plocher plocher at uport.UUCP
Sat Aug 20 16:11:58 AEST 1988


In article <802 at vsi.UUCP> sullivan at vsi.UUCP (Michael T Sullivan) writes:
>> 	2) How does this relate to the whole ABI concept?
>
>To paraphrase someone who responded, ABI is planned compatibility--this
>(uPort vs. 386/ix compatiblity) is just coincidence.  

Since the Microport V/386 code is based on (and is identical at the
system call level) to the 386/ix code, the ABI is there by default (and
design).  This (386) feature *is* what ABI is all about - the ability
to take a package from one 386 machine and run it on another one, even
if the Unix OS was bought from another vendor.

uPort vs. 386/ix compatiblity is there by DESIGN.

    -John Plocher
     Microport Systems



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