Under OSX I use the Emoji characters to indicate what server I'm on, and I use the red police light character if it's a production machine. You can also tell i

Under OSX I use the Emoji characters to indicate what server I'm on, and I use the red police light character if it's a production machine. You can also tell iTerm to report its terminal type as something specific, then do something like this in your bashrc to setup a different prompt if you're not on OSX: if [ $TERM = "xterm-256color" ]; then