title: How to avoid zombie process from crond ( crond -l 9 )
body: <ol>
  <li>My system based on Linux ( 3.12.14 ), I could see Zombie process [ sh ] 
  creates for very frequently.</li>
  <li>I have found that (crond -l 9) which was parent process of zombie. I confirmed that, always crond -l 9 was parent process.</li>
  <li>As per crontab (crontab  -l), lot of scripts are running based on configuration.</li>
  <li>Do we have any solution for this issue? Or How can we avoid zombie process without restarting crond process?</li>
  <li>We do not have options to restart crond since lot of real time specific scripts are running as part of crondtab configuration.</li>
  <li>It's clearly shows 'sh' becomes zombie ([sh] and its parent process is crond ( crond -l 9 ) running.</li>
  </ol>