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From: "Carlos E.R." <robin_listas@es.invalid>
Newsgroups: comp.os.linux.misc
Subject: Re: F2FS On USB Sticks?
Date: Sun, 23 Mar 2025 14:57:33 +0100
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On 2025-03-23 08:28, Marc Haber wrote:
> Anssi Saari <anssi.saari@usenet.mail.kapsi.fi> wrote:
>> Marc Haber <mh+usenetspam1118@zugschl.us> writes:
>>> Dual Boot has always an unstable, fragile PITA.
>>
>> I've usually had two or more OSes on my main PC, since from around 1995
>> or so. Hasn't been unstable, fragile or PITA.
> 
> Then you're lucky. To be able to fix a broken dualboot you need
> intimate knowlegde of all platforms. Most people don't have that.

I remember my first laptop. Windows was installed, and used three 
primary partitions. I could create an extended partition, add some 
logical partitions, and install grub on the extended itself.

Then, Windows would refuse some updates because its boot partition was 
no longer marked bootable. I had to mark partition 1, boot Windows thus, 
run the upgrade (7 to 10, probably), and then mark again partition 4 as 
bootable.

Then I learned that I could replace the code in the MBR by a hacked one 
that boots partition 4, even though partition 1 was marked bootable. 
Windwos was happy, but grub booted first.

It worked, but it was a hack, and could fail anytime Windows would do 
something.

And then there were other machines that came with all four primary 
partitions used. What to do then? It is not trivial.

UEFI, on the other hand, is designed to boot multiple systems. Having 
the boot signed is a different thing.

-- 
Cheers, Carlos.