mkdir -p image freedos_live/bios
sudo mount -t iso9660 -o loop ~/Downloads/FD12CD.iso image

cd freedos_live
cp ~/Downloads/R710-060500C.exe bios/r710-650.exe
cp -R ~/image/ISOLINUX .
chmod 755 ISOLINUX
chmod 644 ISOLINUX/*
vi ISOLINUX/ISOLINUX.CFG
genisoimage -o ../freedos.iso -V "FreeDOS 1.2 LiveCD" -b ISOLINUX/ISOLINUX.BIN -no-emul-boot -boot-load-size 4 -boot-info-table -c ISOLINUX/boot.cat .
qemu-system-i386 -boot d -cdrom freedos.iso -m 32