xi4oyu <Evil.xi4oyu@gmail.com> writes:

>As we all known , in most case , 'mount ' can only be used by root .

>But why does it needs a setuid bit by default ?

>Can a common user use 'mount' program successfully ?

Yes. If you let him. That is what the users option in /etc/fstab lines are
about.

>What changes must be made in a system without sudo utils .

???? Install the sudo utilities?