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Question about kill(1)

I was reading the kill man page today looking for some information for a
script I am writing.  The man page mentioned that some shells have a
kill built-in command.  On further investigation, I noticed that bash
has this as a built-in.

My questions are:

* should I explicitly call /bin/kill?
* is there any advantage to avoiding the built-in?
* why the different implementations?

Incidentally, the script is a bash script.


Roberto C. Sanchez

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