Satheesh, Instead of these commands, > mount -t DOS /dev/hdb4 /mnt/windows > mount -t MSDOS /dev/hdb4 /mnt/windows > mount -t DOS /dev/hda4 /mnt/windows > mount -t MSDOS /dev/hda4 /mnt/windows Try mount -t vfat /dev/hdb4 /mnt/windows Bill