How to create role based users in solaris

We know root is the super user and he can do what he wants to do....
It is very less known that we can even create users who are equally powerfull as root.

But there are very limited facilities for this in UNIX.Role Based Access Control (RBAC) as implemented in Solaris 10 is probably the most constructive way to address this complex problem in its entirety.

Following link provides the basic knowledge on RBAC and how it can be implemented to create a user who can be equally powerful as root.

RBAC introduction: