Yehuda,

Cool. Yes, and it seems the one I got also has a built-in mini-os with a shell that can run an editor on files in the EFI partition. Very useful for the (multiple) times when it wouldn't boot because of a typo in the elilo.conf

thanks!

Judah


On 11/10/23 08:12, Yehuda Katz wrote:
On Fri, Nov 10, 2023, 7:35 AM J. Milgram <milg...@cgpp.com> wrote:


    <light going on> ... is it that UEFI firmware has FAT filesystem
    functionality built in, enough for it simply to look at the EFI
    partition, find the files needed and go from there? That must be why
    there's no /sbin/elilo or similar that needs to be run ... ? I
    guess the
    loader functionality is in the .efi executable in the EFI partition?


That is true. Most (all?) EFI systems will let you choose an arbitrary file to boot from the "bios" boot menu (when you hit F11/F12/whatever your uses for the boot menu). Some manufacturers support doing firmware updates like that too.

- Y

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