How to create a superuser in Kubuntu?

[Bruce Marshall]

On Monday 05 October 2009, Marcelo Magno T. Sales wrote:
> I've read some articles about creating superusers in Ubuntu, but all of 
> them rely on an option in Gnome User Manager that allows you to 
> configure an user as an administrator.
> In KDE User Manager, the available tool in Kubuntu, there is no such an 
> option. How do I create a superuser in Kubuntu?
> 

Why not use root?

sudo passwd root
<your passwd>
<new root passwd>
<new root passwd again>


and don't beat me up, gang, for telling this....   This is the first thing I 
do when installing kubuntu.   I'm a big boy and I can clean up my own messes.