> Implementing swapping would be hard on XT class computer since it requires
> virtual memory services. However shared libraries can be implemented

Actually swapping is trivial if you keep the 64K+64K limit. You write the
entire program out to disk (swap not page). When you need to run it again
you load it back in, edit its CS:DS:ES:SS and continue. The bcc output code
as with Minix never saves or changes segment registers

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