title: How to remove Ruby from OS X
body: <p>We have ruby with version <strong>ruby 2.0.0p648 (2015-12-16 revision 53162) [universal.x86_64-darwin15]</strong>. We need uninstall ruby and install again. So we tried like this</p>
  <pre><code>Anshuls-Mac-mini-2:~ pankajthakur$ whereis ruby
  /usr/bin/ruby
  Anshuls-Mac-mini-2:~ pankajthakur$ rm -f /usr/bin/ruby
  rm: /usr/bin/ruby: Permission denied
  </code></pre>
  <p>We need re-install in other location. Please guide to us.</p>
  <p>My current MAC os Version 10.11.5 (El Capitan)</p>