cp -L "$${CFGROOT}/vmlinuz" "$${CFGROOT}/initrd.img" "$${ISOROOT}"
printf '%s\n' "insmod all_video" "set gfxmode=auto" "load_video" "insmod gfxterm" \
>"$${ISOROOT}/boot/grub/grub.cfg"
cp -L "$${CFGROOT}/vmlinuz" "$${CFGROOT}/initrd.img" "$${ISOROOT}"
printf '%s\n' "insmod all_video" "set gfxmode=auto" "load_video" "insmod gfxterm" \
>"$${ISOROOT}/boot/grub/grub.cfg"