Grub MBR an enigma

Andrew Johnson ajj9 at
Sun Mar 29 16:01:47 UTC 2009

I believe Windows requires that the partition it resides on to be marked

Andy Johnson

Thorny wrote:
> On Sun, 29 Mar 2009 07:55:48 -0500, allen meyers posted:
>> [...] I more then likely end up not being able to boot until I put in
>> gpated and remove what appears to be one too mant boot on flag on a given
>> partition. Could someone point me to an explanation
> Okay, Allen it occurs to me that you must be talking about boot flag, what
> is sometimes called a partition that is marked "active". It really doesn't
> matter for GNU/Linux. GRUB doesn't care about a partition being marked
> active, it will go and boot from the partition identified as the root in
> the GRUB menu.lst using the kernel image identified in the line that is
> usually just below the "root" line.
> That active partition is a DOS/Windows thing from the old days and I don't
> know if even Windows still cares about that. Someone who uses modern
> Windows can jump in here with info about that. Maybe Derek, he probably
> has to support Windows at the college or anyone who is reading and who
> knows.

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