Dual boot: cannot access windows

Eduard Bonet bonedu at gmail.com
Mon Nov 13 00:53:58 UTC 2006


2006/11/11, Tez <binary_y2k2 at blueyonder.co.uk>:
>
> Jody Storme wrote:
> > On Saturday 11 November 2006 03:22, Eduard Bonet wrote:
> >
> >> It works! Pretty easy! Thanks, Jody.
> >> Now just for curiosity: what is the exact function of chainloader? Is
> it
> >> the same as chain-loading? I have checked the grub tutorial but it is
> not
> >> clear to me, specially because in the ubuntu forum someone said that
> >> chainloader can be used to synchronise the grubs between two ubuntu
> distros
> >> installed in different partitions.
> >>
> >
> > As far as I understand it, chainloader simply hands control over to the
> > Windows XP boot loader (ntldr) that's installed in that partition.
> >
> > Glad it works!
> >
> > Cheers,
> > Jody
> >
> >
> Yes, chainloader simply tells GRUB to start another boot loader. That
> can be ntldr, or even another GRUB on another disk or partition.
> From the GRUB info pages:
> -- Command: chainloader [`--force'] file
>      Load FILE as a chain-loader. Like any other file loaded by the
>      filesystem code, it can use the blocklist notation to grab the
>      first sector of the current partition with `+1'. If you specify the
>      option `--force', then load FILE forcibly, whether it has a
>      correct signature or not. This is required when you want to load a
>      defective boot loader, such as SCO UnixWare 7.1
>
>
> Tez



Therefore i could use it to link two linux distros to keep both grubs
automatically updated when i install a new kernel in both distros. I will
try it between dapper and edgy.
Thanks for all the information.
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