Here's a simple way to add rvm to your zsh prompt. I think it should work for bash too. It'll only show when rvm is in use. And here's how it looks. [URL=http://img252.imageshack.us/i/rvmzshprompt.png/][IMG]http://img252.imageshack.us/img252/1047/rvmzshprompt.png[/IMG][/URL]