Remove exec write of su for group and/or others.
Hope this is what you want....
Bye
Shridhar
Kelvin Ng wrote:
> Dear Praveen ;
> Thank for your advise. Anyway It's working only
> if I login at run level 3 . But when I login to X
> window and type su from xterm , the system prompt me
> "incorrect password" . What else paremeter setting are
> required for X environment ?
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