Exactly. And that can be extremely useful for people who either don't want to or can't memorize the vi one-liner. Nano is different from vi because it targets

Exactly. And that can be extremely useful for people who either don't want to or can't memorize the vi one-liner. Nano is different from vi because it targets a different set of users. Many of them use the terminal infrequently, so you can't assume they'll ever build up the kind of muscle memory that makes vi so efficient. You can't even assume that they'll remember any commands, so the commands are displayed prominently at the bottom. There's a reason so many Ubuntu tutorials for beginners use nano instead of vi.