su or sudo su?

[Tom H]

On Mon, Oct 18, 2010 at 12:05 PM, Petrus de Calguarium
<pgueckel at gmail.com> wrote:
>
> When I need root access, I used to use sudo su -. Recently, I discovered I
> could simply type su -.
>
> What's the difference:
>
> su -
> sudo su -

When you use "sudo su -", you have to type in the password of the user
running sudo (with sudo's default setup) whereas when you use "su -"
you have to type in root's password.