"If you wonder about safely allowing a user to run a program on
your Unix box requiring root privileges and feel uneasy about
options like sharing the root password or using setuid bits then
sudo is the program for you."
"A common problem faced is allowing non root users to dial and
establish a connection to the Internet."
"An easy and safe solution with sudo, assuming you use wvdial,
is to put the following line in /etc/sudoers...."