On Mar 26, 2004, at 3:25 PM, Kevin wrote:
> On Thu, 2004-03-25 at 12:27, Chris Gehlker wrote:
>>> Anyway, can you clarify? Is it possible to install
>>> Linux and OSX into separate partitions on a PowerBook and dual boot
>>> between them with Grub or something similar? I am assuming it's
>>> possible.
>>
>> The easiest way is to use Open Firmware. Just hold down one of the
>> alt/option keys at boot and you will see icons for Linux and OS X.
>> Click on the penguin. (I'm not kidding).
> ---------
> Sounds too good to be true. ;~) How does that work? Does
> OpenFirmware
> automatically recognize the operating systems installed in the
> different
> partitions and offer the choice? Is there some configuration of
> OpenFirmware that must take place so it knows what to offer? Keep in
> mind I am coming from LILO/GRUB experience. Sounds like a whole
> different approach.
If you want the long answer, you can find it
here. The short
answer is that Open Firmware recognizes partitions with tbxi files. The
only such file on most macs is /System/Library/CoreServices/BootX. Some
Macs also support the old OS 9 Rom image (tbxi stands for toolbox
image).
/System/Library/CoreServices/BootX does, in fact, understand HFS+,
HFS, UFS, ext2 and TFT file systems as well as how to load Mach-O and
ELF kernels.
So the simple answer is that it works because Apple is very happy for
you to run Linux as long as you do it on their hardware.
> So, when I bring home a G4 Powerbook from the Apple store, how do I
> re-size the partitions to make room for Gentoo? Does OSX have a
> utility
> for that? Or, do I need to boot a Gentoo LiveCD and use mac-fdisk to
> delete and re-create partitions (in which case I'll be installing OSX
> and Gentoo).
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