title: How do I make sure my bash script isn't already running? - continued
body: <p>continuing from <a href="https://stackoverflow.com/questions/4768860/shell-script-ensure-that-script-isnt-executed-if-already-running/8175623#8175623">Shell script: Ensure that script isn&#39;t executed if already running</a>
  and with apologies:
  In the last solution, is "ps" enough or should it be "ps -ef" to show all running processes?</p>
  
  <p>Sorry I don't have enough privilege to add a Comment to the previous Question.</p>