https://medium.com/this-is-not-a-monad-tutorial/harvey-an-operating-system-with-plan-9-s-shadow-3081414e5f0b I'm not affiliated with this whatsoever; I just saw it on Reddit and found it interesting. I found this part particularly neat: > We are working in ANSI POSIX environment to have most of well known tools and programs that programmers or end users expects to have in a modern operating system. Things that for traditional Plan 9 would be very difficult to have. -- Sent from my Nexus 5 with K-9 Mail. Please excuse my brevity.