Need script to monitor change in /etc/passwd

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# 8  
Old 09-10-2011
Actually if you used only the command line progs `useradd`, `usermod` or `userdel`, via a shell script and using the return values, then that would be all you need.
useradd(8) - Linux man page

However for verification, apart from comparing the xcheksum, you might like put the information in an array and compare the contents.

# 9  
Old 09-11-2011
Don't worry about CPU time. The script will be >99% of the time in "sleep",
which won't consume CPU time. Still have to think about the other point.
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