title Reboot reboot
timeout 10 default 0 title Boot from Hard Disk (HDD) rootnoverify (hd0) chainloader +1 Grubinst Gui.exe Grub4dos Grub4dos.zip
title Shutdown halt
title Boot Ubuntu 20.04 Live ISO find --set-root /ubuntu-20.04.iso map /ubuntu-20.04.iso (hd32) map --hook chainloader (hd32) Extract Windows ISO to USB, then: title Reboot reboot timeout 10 default 0 title