Hello... > As per the installation procedure > http://user-mode-linux.sourceforge.net/compile.html > i tryed this # mount root_fs mnt -o loop Can you tell us, what is exactly the error messages? Perhaps using -v option with "mount" will reveal the mistake you made. regards Mulyadi -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/