I now have a pure public domain 3390 disk containing z/PDOS
and assorted utilities.

There isn't a lot of public domain (as opposed to copyrighted
freeware like most z/Linux stuff) stuff available for the mainframe,
so currently there are only crude editing capabilities available.

But you can IPL from DVD/ftp, card reader, tape or 3390.

http://pdos.org

Oh yeah - there's a subset of C90 available so you can write
very limited C. That's the limit of what is available in the
public domain.

Also you can run .com files the same way you could on MSDOS.

.exe files are IEBCOPY unloads. MVS API in both cases.

BFN. Paul.

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