-- sir/madam Hi in my system i have installed fedora core-3 and i dont know why some system users are deleted from /etc/passwd file and when i start some services like postgresql , sendmail etc the system says system user "postgres" does't exist i have some important data in my system. so pls tell me hoew to include these system users again without reinstalling the packages. i tried with forcebly updating the rpms. but didn't solved the problem Thanks/Regards Mallikarjun Mudumali 9880023898 Thanks/Regards Mallikarjun Mudumali 9880023898