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A comment on Fun things to do with your VM/370 CE machine – Fun with big computers.

Re:Fun things to do with your VM/370 CE machine – Fun with b... by vogelke on Monday November 09, 2026 @04:19PM (#50432319)
Whoever invented Rexx is a god. I wrote a program to renumber and indent Fortran programs in Rexx, and it actually worked. Outstanding documentation; IBM was THE standard for docs back in the '80s.
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Re:Fun things to do with your VM/370 CE machine – Fun with b... by RossPatterson on Monday November 09, 2026 @06:38PM (#50433954)
Mike Cowlishaw. He also created the Java decimal math, and the I EEE DECIMAL floating point.
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Re:Fun things to do with your VM/370 CE machine – Fun with b... by retwakm4 on Tuesday November 10, 2026 @11:18AM (#50442471)
They are still a standard for Docs, if you look at z/OS docs today, they put all Linux distro and even Kernel docs to shame to be perfectly honest.

Organized PDFs of the order of a thousand pages for literally every subsystem or additional program etc. Over a hundred PDFs in total. Probably 100k+ pages of raw docs.

And that's not even including the Principles of Operations (the mainframe s390x ISA reference).

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