Syslinux, specifically PXELINUX: https://wiki.syslinux.org/wiki/index.php?title=PXELINUX#Configuration https://wiki.syslinux.org/wiki/index.php?title=PXELINUX#C

Syslinux, specifically PXELINUX: https://wiki.syslinux.org/wiki/index.php?title=PXELINUX#Configuration https://wiki.syslinux.org/wiki/index.php?title=PXELINUX#Conf... Quite nifty I'd say.