title: Creating child process in C linux
body: <p>Create child process by using <code>fork()</code> function. </p>
  
  <p>The parent process runs change content of the process by <code>execl()</code> function which run <code>cat f1.c</code> command.</p>
  
  <p>child process runs a  <code>traceroute www.google.com</code> command.</p>