I don't think that makes the definition wrong. We like to conceptualise OSes as programs, but at the low end they start to resemble libraries. if your FS is j

I don't think that makes the definition wrong. We like to conceptualise OSes as programs, but at the low end they start to resemble libraries. if your FS is just a library, process switching is timers and interrupts, and memory protection is provided by the processor, what is the OS? Where is the OS?