Super duper excited about this and have been for the past five years. Awesome to see things coming together.. good things take time! This guy is singlehandledly trying to elevate shell, revealing its secret beauty and immense power. My favorite thing is his obsession with bash backwards compatibility-- it has led him to get super deep into the bash parser. Unrelated but useful by the same person: Bernstein chaining of ssh and su: https://www.oilshell.org/blog/2017/01/31.html