The author makes an interesting claim: "Microsoft had the benefit of being able to start from a clean room. They didn't need to inherit 50+ years of UNIX legac

The author makes an interesting claim: "Microsoft had the benefit of being able to start from a clean room. They didn't need to inherit 50+ years of UNIX legacy when they wrote Powershell. So their approach was naturally to base their shell on .NET." The POSIX shell had a specific requirement: when compiled, it had to fit within the Xenix 64k text segment. This is something that Powershell will never, ever do.