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$ strace ./shutdown

execve("./shutdown", ["./shutdown"], [/* 16 vars */]) = 0
.
. *****text omitted*****
.
getuid32() = 8218
geteuid32()...

:o Nice and simple explanation. I assumed that the script was looping. Thank you Thunderbolt and Perderabo.

Hi All,

This is actually a good interview question.

On linux, the permissions and group for 'shutdown' and 'cat' is the same.

-rwxr-xr-x 1 root root 18K 2008-05-21 10:43 ...

Thank you for the reply. But isn't that exactly what the real admin asked the novice admin to do.

Is there a better script or solution ?

This text and script is borrowed from the "Unix Horror Stories" document.

It states as follows

"""""Management told us to email a security notice to every user on the our system (at that time,...