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                        Codezero POSIX Services

This directory contains the source code for the POSIX services developed on top

of the Codezero Microkernel. There is a pager called MM0 which demonstrates how

a pager on top of Codezero should act, by its system call usage.

Test0 is the userspace task that tests microkernel system call functionality as

well as the POSIX system call functionality by issuing calls to MM0

Codezero POSIX services partially demonstrate how a POSIX level operating

system would be written on top of Codezero. Unlike shallow implementations on

embedded systems that only look like POSIX, mm0 implements a real virtual

memory subsystem and virtual filesystem that solidly backs the API. Neverhtheless

services such as terminal IO and common filesystem support are currently

missing.