Hello everybody! I was stupid and I changed some permision useing a script. Now, I cannot use the su because I get a error message : "Cannot set groups: Operation not permited". If anybody knows somethings, please email to me. Thank you! Eugen -- PLEASE read the Red Hat FAQ, Tips, Errata and the MAILING LIST ARCHIVES! http://www.redhat.com/RedHat-FAQ /RedHat-Errata /RedHat-Tips /mailing-lists To unsubscribe: mail [EMAIL PROTECTED] with "unsubscribe" as the Subject.