alt Hacker NewsNetBSD doesn't support any devices without an mmu.
I think people here are misunderstanding just how "weird" and hacky trying to run an OS like linux on those devices really is.
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arp242 • today at 2:31 AM
To clarify: NetBSD has never supported non-MMU systems, or at least hasn't for decades. As opposed to something they removed recently(-ish).
Yeah, a lot of what defines "operating system" for us nowadays is downstream of having memory isolation.
Not having an MMU puts you more into the territory of DOS than UNIX. There is FreeDOS but I'm pretty sure it's x86-only.