how to run rails application

i installed rails gem on my machine gem install rails-0.9.2.gem nd i got message like Successfully installed rails, version 0开发者_Python百科.9.2 now try to run a command like rail amit but nothing happened not even a single message???

---

The command to create a new application is rails [application-name]. Did you type rail amit instead of rails amit?

If it wasn't a typo, run which rails to find the rails executable, and make sure you have rx access to it.

---

Start here :

http://guides.rubyonrails.org/getting_started.html#creating-a-new-rails-project