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svorakang | 3 years ago

What you're asking for is a microkernel os, or at least a generic kernel shim to interface a user space driver.

Example of microkernel: QNX.

Example of userspace driver: fuse.

I'm not familiar with the architecture of OpenBSD, does it run it's drivers in userspace?

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nix23|3 years ago

>I'm not familiar with the architecture of OpenBSD, does it run it's drivers in userspace?

No it's the BSD without modules.

>Example of microkernel: QNX.

Yes and minix, hurd and TrueUnix64 just some other examples.