Loading Mongrel in the background

Most Ruby on Rails tutorials I have read specify to start Mongrel, the default web-server that ships with Rails, by typing script/server from your rails application. If you are like me and like to use command line a lot, you could either start another terminal window and load up Mongrel to have a terminal window available for typing. Or you could start Mongrel and keep it in the background as a daemon like this:
start/sever -d