what os is using which partitions?

[Tapas Mishra]

On Mon, Oct 18, 2010 at 12:29 AM, ms <devicerandom at gmail.com> wrote:
> On 17/10/10 05:54, Doug wrote:
>> I got testdisk.  It seems to be an uber version of gparted.  It also
>> seems dangerous!
>> But it does not name the operating systems on the various partitions.
>>   From ubuntu
>> or debian I can look at files in the various partitions.  Which file(s)
>> contain the name
>> of the operating system that's installed in a given partition?
>> Someplace that info
>> must exist, since grub (_not_ ubuntu grub!) uses that  to name the
>> systems you
>> can select at boot.
>
> As far as I know there is no magic file of this kind -grub takes its
> information from its grub configuration file. Partitions are just
> partitions -system partitions will contain their own OS files, but they
> become "owned" by an OS just when the OS boots.
>
> I guess yours is a work of patience -boot from a live cd, mount the
> different partitions, take note of what is there and guess which OS
> corresponds ; then check where is your grub installation, edit that
> grub.conf file, and if you didn't mess your partition table, you should
> be able to boot everything back correctly.

http://sourceforge.net/projects/bootinfoscript/