title: Ruby Environment Variables?
body: <p>I'm looking into learning some Ruby, I've installed it on Windows 7 X64 using the installer you can find at <a href="http://www.rubyinstaller.org" rel="nofollow">RubyInstaller.org</a> . </p>
  
  <p>Now my problem is that the installation is done and all that. But when I try and check for the ruby version in command prompt e.g </p>
  
  <pre><code>ruby -v
  </code></pre>
  
  <p>I just get an error saying that my system doesn't know what that is. Including ruby -e and ruby -s etc... Now coming from a Java background I assume that this has something to do with environment variables that might not be set for Ruby?</p>
  
  <p>How exactly does one go about this to quickly get set up?</p>