[ Thanks to Borys
Musielak for this link. ]
“Sudo is a simple program which allows the administrator to give
regular users extra permissions to execute the commands they would
normally not be allowed to use. Thanks to sudo, we can execute
commands that are usually restricted to the root account. In
practice, it looks like that: instead of typing su ->password
-> command you type sudo command. In order to use sudo you need
to configure it properly. This FAQ is supposed to help you with
this task…”