troubleshooting Question

Unix script question

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mokkan asked on
Unix OSLinux
5 Comments1 Solution314 ViewsLast Modified:
I'm trying to understand this line. I can only undertand that lock file is removing, but I am not sure what exactly this entire line is doing.  Can anyone explain ?


trap 'echo " Removing the lock "; rm -f ${lock_file} 2> /dev/null ; exit 0' HUP INT QUIT TERM STOP
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