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Erlang's a weird choice for an OS class. An Erlang program is run in a VM that aggressively hides from you the exact things you want exposed in an OS class. As a user, that's great, as a way of teaching OSes, it's not so great. Plus the VM simulates a machine that is quite unlike today's real machines from an OS perspective.

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Granted for an OS class they just seem to be writting a lot of web and network servers. Given their assignment list Go or Erlang would actually be a fit.

I for example remember writing a kernel driver and learning about virtual memory and io schedulers. We wrote file servers in the "networking" class but hey, that was years ago and a different college, so maybe I am just old.

Implementing Erlang on bare metal would be a good idea for an OS class, writing code in it, not so much.

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