Re: zImage compressed with what?

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Author: Matt Graham
Date:  
To: Main PLUG discussion list
Subject: Re: zImage compressed with what?
From: Alan Dayley <>
> The Linux kernel is compressed and placed in a "zImage" file. What is
> the compression format of that file?


zImage became obsolete in the 2.4 series. Now you always get a bzImage,
which is not bzip2, but "big zImage". If I'm not totally on crack, the
compression used is gzip. There's an x86 boot sector and some setup
data before the gzipped kernel image. HTH,


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