Sweet! I’ll give that a try.
I’ll try it first on Tech Preview: its an OS running under an emulator, and the emulator is prevented from regaining focus entirely on some platforms. There’s no save (yet) because i haven’t finished the file system, so losing focus can be pretty catastrophic.
I also have the interpreter in tech preview written better so it supports a dynamic man command, and also the /?to get help, and a help commands command to list all available commands.