Is there a way to completely FORMAT and REMOVE grub?Basically wiping the
drive clean.I googled this,and could not find any helpful results.
On Sun, Dec 6, 2015 at 2:46 PM, Eric Auer <e.a...@jpberlin.de> wrote:
>
> Hi Georg,
>
> > I gave up on Grub plus DOS after I locked myself out from my PC.
>
> The usual way to fix this is to boot e.g. Linux from CD to edit
> the GRUB config and/or to reinstall the GRUB binary. There also
> is a limited interactive feature in GRUB, but it usually is not
> convenient at all to "manually" boot by typing 10 GRUB commands.
>
> > To get DOS to work with Grub you have to get it to mask any non-
> > FAT partitions so DOS feels it is on the first partition.
>
> For FreeDOS, this is not necessary. However, DOS looks at the boot
> sector of the boot partition to find out where that is. If your
> DOS partition is not a primary partition (one of the main four),
> then that is likely to fail. This is a limitation of our FreeDOS
> boot sector, so tuning SYS could potentially provide workarounds.
> Other DOS versions have similar issues.
>
> Another problem is that DOS expects config files to be on the
> partition which DOS calls C: (when booting from harddisk), so
> if you have other FAT partitions, some confusion can develop
> regarding which FAT-based OS should read config files where.
>
> This is why FreeDOS prefers fdconfig.sys instead of config.sys
> when it finds both on the same drive: It helps with dual-boot.
>
> > Grub will install itself in the first disk sectors and it will stay there
> > even if you delete a Linux partition later...
>
> You can also install it to the boot sector of your Linux partition,
> but various config tools may assume that you have indeed installed
> GRUB "globally" to your MBR and beginning of the whole harddisk, so
> it is recommended to do like the config tools assume. Unless there
> is another boot menu in the MBR, then you better put GRUB elsewhere.
>
> Regards, Eric
>
>
>
>
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