Yes, but I'm imagining that this isn't something that works in conjunction with another terminal program, but that it's one program -- some kind of shell/GUI hy

Yes, but I'm imagining that this isn't something that works in conjunction with another terminal program, but that it's one program -- some kind of shell/GUI hybrid. I have actually seen this before, in the very fun but silly and not-particularly-useful edex-ui thing. (great way to impress people who don't know, but like, if you type your password in it it literally shows the keystrokes) https://github.com/GitSquared/edex-ui https://github.com/GitSquared/edex-ui