What does this route mean?

In this tutorial: http://asciicasts.com/episodes/160-authlogic

It mentions the following to add to the "routes.rb" file.

map.resources :users

What does this line of script mean? And, how does it differ from


In answer to one of your other questions I pointed you to one of the
Rails Guides and suggested you worked through all the others also. It
appears that you did not work through the others as you appear not to
have looked at the one on Rails Routing. Please go and work through
all of the guides, including trying the examples in them, and
experimenting to make sure you understand them. This will save you
and us a lot of time.

You might also like to work through the tutorial at
http://railstutorial.org/ which I think is very good.