“If you’ve dabbled even a little bit with security matters, you
know that giving root rights or the root password to a common user
is a bad idea. But what do you do if a user has a valid need to do
something that absolutely requires root rights? The answer is
simple: use sudo to grant the user the needed permissions without
letting him have the root password, and limit access to a
minimum.“With sudo (which stands for ‘superuser do’), you can delegate a
limited set of administrative responsibilities to other users, who
are strictly limited to the commands you allow them…”