dual booting Ubuntu 13.04 and Windows 7

[Tom H]

On Tue, May 28, 2013 at 9:22 AM, Gerhard Magnus <magnus at agora.rdrop.com> wrote:
> On 05/28/2013 05:22 AM, Liam Proven wrote:
>>
>> Yeah, that is the problem. There is no such thing as DPT that I know of.
>
> Sorry for the typo -- it's GPT, not DPT.
>
> http://en.wikipedia.org/wiki/GUID_Partition_Table
>
> When it comes to booting, things aren't quite as simple as they used to be.

I disagree.

If you're multi-booting with BIOS and an msdos label, you have to
worry about which OS installs its bootloader into the the MBR, whether
grub's core.img fits into the post-MBR gap, and updating the right
grub config when a kernel's upgraded.

If you're multi-booting with BIOS and a gpt label, you have to worry
about which OS installs its bootloader into the the MBR, creating a
bios_boot partition for core.img, and again updating the right grub
config when a kernel's upgraded.

If you're multi-booting with UEFI (and therefore a gpt label), you
have to set up entries to your OSs' boot executables, in the shared
EFI System Partition, in NVRAM via bootcfg/efibootmgr.