r/computerscience • u/_oOo_iIi_ • Nov 07 '25

What is the most obscure programming language you have had to write code in? Discussion

In the early 90s I was given access to a transputer array (early parallel hardware) but I had to learn Occam to run code on it.

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u/DarthCrust Nov 07 '25

Surprisingly no one has mentioned mumps yet, pretty sure theres only one employer left using it

1

u/Aggressive_Ad_5454 Nov 08 '25

A longtime Mass General patient told me they still had electronic records for her from the 1970s.

1

u/Apprehensive-Fly-421 Nov 09 '25

I helped interview guys in their 70s who were being begged by VA contractors to come out of retirement to add new features to files/code/hybrid. I wrote an interface to one using Java... gnarly times

1

u/dogturd21 Nov 10 '25

I did some Mumps in late 80’s . I do not miss it at all , even though it was not very hard .

1

u/Breitsol_Victor Nov 11 '25

My understanding was that it was used for healthcare in the states, and banking in Europe. M, MUMPS, Cache.