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A comment on Ask HN: What is the oldest, still supported OS?. Parent comment

Re:Ask HN: What is the oldest, still supported OS? by duxup on Monday February 28, 2022 @10:22PM (#30508999)
Possibly late/ silly question.

Who would be using Burroughs MCP now and…why?

Just for fun?

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Re:Ask HN: What is the oldest, still supported OS? by specialist on Tuesday March 01, 2022 @12:23AM (#30509981)
As of 2014, Univ of Washington had a Unisys for course catalog, registration, transcripts, etc. Ironically, they were one of the earliest adopters of IT. And could never figure out how to move forward.

Dysfunction is unbounded.

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Re:Ask HN: What is the oldest, still supported OS? by Schiendelman on Tuesday March 01, 2022 @12:37AM (#30510074)
I know someone who worked on it at least that long. I think it’s been replaced now but I’m not entirely sure.
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Re:Ask HN: What is the oldest, still supported OS? by pjmlp on Tuesday March 01, 2022 @01:35AM (#30510459)
Given its high security profile (ESPOL/NEWP belong to the first wave of safe systems programming languages), mostly governments or industries that want safety before anything else.

That is also the marketing messages when you check ClearPath MCP marketing materials.

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Re:Ask HN: What is the oldest, still supported OS? by EvanAnderson on Tuesday March 01, 2022 @12:22PM (#30516936)
The last I saw it was a small bank using it to support a Fiserv ITI installation. That was ~2010. They'd been on the platform since the 70s. Were they not bought-out by a larger bank I'd expect they'd still be on that platform.
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