sudo user

> To allow direct password-based access via the 'root' account,
> you can set the password for that account here.
> .
> Alternatively, you can lock the root account's password
> by leaving this setting empty, and
> instead use the system's initial user account
> (which will be set up in the next step)
> to gain administrative privileges.
> This will be enabled for you
> by adding that initial user to the 'sudo' group.