How to give administrative previledges

[Vassilios Kotoulas]

> I want to create a user with administrative peviledges. First I
> created a user and checked the /etc/passwd file. His IUD and GID were
> 500:500( I think this is by default from Redhat). Then I tried to
> change GID to 0, logged back into the system. He did not have admin
> access. Does anybody know how to give a user administrative
> previledges, so that he can update the system ,,, etc??

tell him/her the root password and he/she can use 
the command "su -" to change into the root account.

-- 

Vassilios Kotoulas
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