Dear All, Currently i have using CentOS4.4 and Kernel Version is 2.6.9-42.EL. I want to upgrade my Linux to Stable Version of Linux (CentOS4.7) Clarification required about Linux upgrade is 1. How do i upgrade my Linux and is their any document is available 2. Where can i download the upgrade Linux iso 3. Whether i can upgrade my Linux PC without any configuration data loss Example : http configuration, xinetd configuration, etc... Linux Degrade is possible or not Please can any help me Thanks in Advance. Regards -S.Balaji