deny su - root

[Matias Nicolas]

hello everybody. I wannna know something... I want to deny the su - root to the users in the system. i don't know how to do that... does somebody know how to do that??

 

Ex: I got 5 users (user1 user2 user3 user4 mine) I dont want them to do su - root. Let's let user2 do su - root And I (the administrator) want to login as root  when i get the "login as:" prompt. Is there any possibility to do that??

 

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