boothm@earth.goddard.edu wrote:
> 
> Along these lines, is it Urban Legend that early on all of IBM's
> programmers wrote  the mid-range system programming in RPG and that is the
> reason it became so tight and well behaved?

Mostly legend, but there was some stuff actually done in RPG... Most
earlier
stuff was written in assembler, PL1 and few other obscure languages just
for good measure... Most of you kiddies don't recall seeing the
assembler 
listing that resulted from a COBOL compile...... The RPG that I was told
about
was replaced with assembler as soon as possible for performance
reasons..

A good bit of code is reused(just like we do) and passed on to the next
OS... The most recent version was written in a bastard version of C++
...
This was done for performance and for no other reason that I can see.
The MI that is used today is nothing more than a spiffy version of
assembler...

As far as I know, the assembler compiler is no longer available to the 
general public...
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