The part you missed in Bill's email "Write a shell script that is setuid root" is the most important.

Except that telling users who don't know what suid means
to write suid root shell scripts (doubtful advice at best
even when given to experienced system programmers) is a
recipe for disaster security-wise.
Just as an aside - isn't it true that many/most/all (???) Unix/Linux installs are set to disallow setuid *scripts*. It must be a binary, I think (which obviously then can start a script etc etc).

ken1
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