> Multi-Boot allows Linux and *any other* OS to reside on the same medium. sure, and what's next? i have 5 OS on my PC, The order of installation is not quite the problem, as i USE UEFI I said i was just talking about install media, not install target. Though I have a HD could work as install-media for SLES/RHEL/CentOS/Windows7/Window10, I still don't get you point. -- Liu An