GRUB questions

[Bill]

On 8/17/23 05:09, Ralf Mardorf via ubuntu-users wrote:
> On Wed, 2023-08-16 at 12:31 -0400, Bill wrote:
>> In other words, will adding the Win 10 hard drive to the
>> GRUB list leave the Win 10 hard drive totally unchanged?
> Hi,
>
> the menu entries added to grub.cfg either manually or by the grub
> automation don't have impact on the already written bootloader.
> Adding a chainload menu entry for Windows 10 doesn't install a new
> bootloader to a partition.
>
> Btw. if you disable grub's automation, it cannot generate broken menu
> entries and you can edit manually a lean and human readable grub.cfg
> similar to mine [1].
>
> However, if grub's automation, probably this os-prober thingy should
> generate a broken menu entry, then only the menu entry is broken, this
> isn't harmful, it does not overwrite Windows bootloaders.
>
> I hesitate to say, yes, it does leave the Windows 10 drive totally
> unchanged, just because I don't know what "GRUB list" is for.
>
> If "GRUB list" is for /boot/grub/grub.cfg, then yes, it does leave the
> Windows 10 drive totally unchanged.
>
> Regrads,
> Ralf

(snip)

WS=> Thank you.  This is all that I need to know!

Best Wishes

Bill Stanley