title: Making an application to upload zip files in rails
body: <p>I am new to rails. 
  <strong>I need to create a rails application that helps me to upload zip or tar files to it.</strong> 
  I am using rails 2.3
  is there any gem that can help me to do this swiftly or some tutorial.
  <strong>I am new so step by step instructions will be much much appreciated.</strong> 
  Thank you in advance</p>