[TUHS] Source code abundance?

[Nemo]

On 6 March 2017 at 13:00, ron minnich <rminnich at gmail.com> wrote:
> On Mon, Mar 6, 2017 at 8:21 AM Dan Cross <crossd at gmail.com> wrote:
>>
>> I once heard that some version of AIX was actually implemented in PL/I. I
>> strongly doubted that, and no one's mentioned it so I assume that's
>> apocryphal? It would be so distinctive that I can't imagine someone NOT
>> mentioning it if it were the case.
>
> I spent about 6 years working with IBM and U. Penn on AIX and nothing of
> that was ever mentioned by anyone. It sounds like a myth.

Also, they would have used PL/S or PLMP or somesuch
(https://en.wikipedia.org/wiki/IBM_PL/S #6-).  Interesting, over the
years, IBM has used numerous languages for their various OS systems
(http://dl.acm.org/citation.cfm?id=226253 that, granted, has no UNIX
in it).

N.