title: How to install command line tools on OSX Mavericks
body: <p>I am running OSX Mavericks (10.9) and while trying to update a bundle in rails, I get the following error message: </p>
  
  <blockquote>
    <p>"You have to install development tools first."</p>
  </blockquote>
  
  <p>I have Xcode already installed and there seems to be no option to install the tools from within the Xcode 4.6. How can I download and install command line tools via terminal?</p>