sudo: what is the point?

[Duncan Anderson]

Arnold Maestre wrote:

>Among others, with sudo the user only needs to remember one password,
>his own: there is bo additionnal "root" password. Additionally, sudo
>allows you to precisely tune which user can do what on which machine,
>without handing out the keys to your systems.
>  
>
Thanks Arnold

That makes sense to me. So "sudo" allows one to allow specific users to 
execute privileged commands without having to know the root password?

cheers
Duncan