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Burger King Valet Parking
(upload.wikimedia.org)
wow, what a crazy way to see it, but at the end of the day it's true.
No sir, you're doing it wrong. This is being done without security in mind. That way, just anyone can execute anything.
chmod 666 -R /
is the way.
Edit: remember to run as root
this guy securitys!!! also block port 22 on your firewall so nobody can access SSH.