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Comment by lproven

3 years ago

The QNX demo, from 25Y ago? Oh, yes. The miracle is that it worked at all, not that it's very complete.

The full OS was a ~100MB download:

https://archive.org/details/qnx-neutrino-rtos-x86-runtime-ki...

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lproven

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bmacho  3 years ago

The full OS was 1.4 MB, but they've distributed some additional software as well.

  • lproven  3 years ago

    Well, no, not really, AFAIK.

    But it depends what you define as "the full OS".

    It is mainly an embedded OS for routers and engine-control units and traffic lights. For that role, it doesn't need a GUI or a desktop or dev tools or a network stack.

    So are they part of the "full OS"?

    It depends where you stand, and how you look at it.

    The Demo Disk contains a lot more than 1.4MB of code. It's more like 3-4MB of code, but that does not mean it is "the full OS".