On Fri, 20 Aug 2021 10:11:14 -0700, Tom Ross wrote:
> ...
>LE is both upward and downward compatible as long as the z/OS levels are
>in service. There are some restrictions, ...
From Wikipedia, the free encyclopedia
Forward compatibility or upward compatibility is a design characteristic
that allows a system to accept input intended for a later version of
itself. ...
That seems to be an elusive goal. For example, I wouldn't expect a POSIX
shell script I wrote intended for the first version of MVS that provided
OMVS (circa 5.2?) to be accepted by the immediately previous version,
lacking OMVS, even while both those levels were in service.
"[S]ome restricrions", indeed! Clearly, I need a better definition.
-- gil
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