ISO作成

# dd if=/dev/fd0 of=fd_image.img

# dd if=/dev/zero of=fd_image.img bs=1KiB count=1440

# mkdosfs fd_image.img

# mount -o loop fd_image.img /mnt/fd

# cp /home/hoge/* /mnt/fd

# umount /mnt/vfd

# mkisofs -r -J -o hoge.iso hoge