Re: what is bzImage?

[John Corey <whoop@mtco.com>]

 If the kernel is small, it will work as both a zImage and a
> bzImage, and the booted system runs the same way.  A big
> kernel will work as a bzImage, but not as a zImage.  Both
> bootimages are gzipped, (bzImage is not bzipped as the name would
> suggest), but are put together and loaded differently, that allows the
> kernel to load in higher address space, that does not limit it to
> lower memory in the pathetic intel architecture.
> 
> So why have both? Backward compatability.  Some older lilos and loadlins
> don't handle the bzImage format (and I thought  bioses, but that may not
> be the case). Note, they *boot* differently, but *run* the same.
> 
> One other comment; there is a lot of misinformation given out about
> what a bzImage file is (mostly about it being bzip2ed), so use reliable
> sources, or check the facts for yourself.
> 
> Mark

One thing I noticed with bzImage is that the old dd'ing (or rawrite) the
image to a floppy doesn't work right.  It would load when you boot from
it, then give an error just after that...

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