title: How to unzip a folder in linux?
body: <p>I have a file named backup.zip which multiple files and subdirectories. How could I extract directory 'CSS' into a folder called /var/www?</p>
  
  <p>This is what i've tried, but it only works for files.</p>
  
  <pre><code>unzip backup.zip CSS -d /var/www/
  </code></pre>