I don't know anything about building a POSIX OS from scratch. I don't know much about Rust as well. That said, Redox code base is clean and very approachable. K

I don't know anything about building a POSIX OS from scratch. I don't know much about Rust as well. That said, Redox code base is clean and very approachable. Kudos! I do see a lot of unsafe keyword, are they inevitable?