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what is a .diff file?

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I'm trying to patch my kernel to get acpi to work on my comaq notebook and i had to download three kernel patch files. one was in tar.gz format and two were in diff.gz


I know how to work the tarballs,


But after I unzip the diff.gz, what do I do with the diff?


Is this a different type of compression? :x


thanx for any help i get from all you smart peeps!!!

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They're just a set of differences between files. You use it with patch (see man patch). It should say in the README how to use them, but usually its something similar to:


patch -p1 -E < <filename>



But CHECK THE README because the number after -p might be different, or it might need different options

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