Re: [gentoo-user] Re: grub chainloader

["Александър Л. Димитров" <aleks_d@gmx.de>]

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On 23:51 Tue 17 Jul, Thufir wrote:
>  Oh.  Why was the grub documentation not understandable like that?
>  maybe I misread it.  thanks for explaining!

I guess you missed it. `info grub' says (*Note chainloading)

---8<---8<----

4.1.2 Load another boot loader to boot unsupported operating systems
--------------------------------------------------------------------

If you want to boot an unsupported operating system (e.g. Windows 95),
chain-load a boot loader for the operating system. Normally, the boot
loader is embedded in the "boot sector" of the partition on which the
operating system is installed.

  1. Set GRUB's root device to the partition by the command
     `rootnoverify' (*note rootnoverify::):

          grub> rootnoverify (hd0,0)

  2. Set the "active" flag in the partition using the command
     `makeactive'(1) (*note Chain-loading-Footnote-1::) (*note
     makeactive::):

          grub> makeactive

  3. Load the boot loader with the command `chainloader' (*note
     chainloader::):

          grub> chainloader +1

     `+1' indicates that GRUB should read one sector from the start of
     the partition. The complete description about this syntax can be
     found in *Note Block list syntax::.

  4. Run the command `boot' (*note boot::).

   However, DOS and Windows have some deficiencies, so you might have to
use more complicated instructions. *Note DOS/Windows::, for more
information.

---8<---8<----

Note that it's usually better to refer to the info command for more
serious documentation about GNU tools in general. RMS and his guys don't 
exactly seem to like manpages that much that's what they have info for. 
They have their point, but that's another flame war ;-)


Regards,
	Aleks

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