title: How do I calculate free disk space on Linux in JavaScript?
body: <p>I want calculate and display the free space of the home filesystem but there are 3-4 users, and all should be in javascript, how can we do ? </p>
  
  <p>I know in linux shell , we can do : </p>
  
  <pre><code>df -h
  </code></pre>
  
  <p>But in javascript it's not</p>