Re:.NET on Linux – bye, Windows 10
by yaur on Monday October 17, 2016 @11:13AM
(#12725686)
UEFI support is relatively new for Linux and there are still a bunch of guides floating around that tell you to disable it, more than likely he followed one of those but didn't really need to disable it.
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UEFI support may be new to some major Linux distros, but all the necessary components have been lying around for years. I booted Linux on my Mac through EFI before UEFI support was common on PCs.
Most of those guides you mention were half-assing it at the time of writing. There have been good reasons to still boot through the BIOS CSM even when a system has EFI, but for the most part those reasons have faded or been entirely eliminated over time: older graphics cards that lack the necessary firmware are less common, 32-bit EFI on 64-bit hardware is extremely rare and since kernel 3.15 isn't a problem any more.