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How does the set-user-ID mechanism work in Unix?
Can someone please explain the set-user-ID mechanism in Unix ? What was the rationale behind this design decision? How is it different from effective user id mechanism ?
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root owned program with setuid bit on
Ping is a a program owned by root with the user id bit set.
$ ls -l `which ping`
-rwsr-xr-x 1 root root 35752 Nov 4 2011 /bin/ping
As I understand it, if a user runs the ping process, then the ...
