| From: Lennart Sorensen via talk <talk@gtalug.org> | Using grub is way more flexible. I sometimes find it convenient to edit the kernel parameters. grub allows this and UEFI firmware usually does not. What else do you lose? | Having only one bootable kernel is | not convinient which is what you essentially have if you make a UEFI | boot entry pointing at a kernel directly. I readily admit that too many UEFI implementations make it awkward to choose what to boot. But the UEFI standard seems to support multiple kernels in the same ESP. (At least some ThinkCentre firmware is bad in this repsect; XPS 15 firmware is good.) efibootmgr seems to support setting this up (it might not be the best tool). Here's what this machine's entry for fedora looks like. It's got enough stuff that you could create a distinct entry for each kernel of interest. Boot0000* Fedora HD(2,GPT,f66e4ede-1301-47fd-af96-7f45aee7bc28,0x40800,0xb4000)/File(\EFI\fedora\shimx64.efi) | Sure if your system has a UEFI shell (most desktop and laptop machines | seem allergic to that concept) Apparently Microsoft dictated that if you wish to be considered Windows-ready, you must not ship with the UEFI shell. You can build one -- the source is available. But I haven't ever done so.