title: How to let Linux execute a php file per 5 minutes thread safety?
body: <p>I have a <code>scree.php</code> file in the path:</p>
  
  <pre><code>xxx/.../Home/scree.php
  </code></pre>
  
  <p>I want to execute it per 5 minutes, and make sure it is thread-safety. How to do that?</p>
  
  <p>I am under XShell.</p>