RaghuNath L forced the electrons to say:
> what is the use of /etc/pam.d/login
That file is used to determine who all can use the 'login' service to
the system. In other words, who all can login to the system.
> also su in pam.d i created the wheel group and added root and user1 to
> that but still user2 is able to do su.
I don't get what you mean here. How do you create groups in /etc/pam.d?
If you want to add a group, then use the groupadd(8) command. To add
users to that new group use the usermod(8) command.
> i un cometed the line lines there in su file
Don't mess around with /etc/pam.d files unless you know what you are
doing. It can totally lock up your system - even root logins will be
disabled.
Binand
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