Sorry, a little.
The usual way to do something like that on Unix is to use 'sudo' to grant a list of capabilities to a user.
By definition "root" can do anything and it is very difficult to impose...
As i know, Unix or Linux only manages 2 type of user: root user or normal user.
All users with userID=0 will have all administration permissions like root user with the system.
In my case, i want...