Chris Adams writes:
Once upon a time, Sam Varshavchik <mrsam(a)courier-mta.com>
said:
> Can you explain how two completely different executables could possibly end
> up having the same absolute pathname?
chroot for one.
That would require root's environment, in order to set one up. A non-
privileged process cannot set up a chroot jail. If your root is compromised,
you have other issues to worry about.