Need to run a program concurrently by multiple users

[prabhath g]

Hi,
   
      I have a build script which needs to run by multiple users(concurrently). 
Currently only one user can run this program.What are the code changes to make 
this program run concurrently.
   
  As I am a new comer to perl , I request you to give me advice/suggestions .
   
   
   
  Regards,
   
  PrabhathG.

                
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