From owner-freebsd-hackers@FreeBSD.ORG  Mon Mar 12 11:36:46 2007
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Date: Mon, 12 Mar 2007 11:36:42 +0100
From: Soeren Straarup <xride@x12.dk>
To: ajay gopalakrishnan <geek.dwells@gmail.com>
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Cc: freebsd-hackers@freebsd.org
Subject: Re: How does not practice freebsd kernel programming?
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On Mon, Mar 12, 2007 at 09:36:43AM +0530, ajay gopalakrishnan wrote:
> Hi,
> 
> What is the best way to start practicing kernel programming on freebsd for
> amateurs. I have found many sites about Linux kernel programming but none
> for FReebsd kernel programming.
> What are the usual steps followed while learning freebsd kernel programming?
> 

The way I did it was to take a spare computer and then play with loadeable
modules.
Fx:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/arch-handbook/driverbasics-char.html#AEN8704
Which I need to get updated.

/Soeren

-- 
Soeren Straarup   | aka OZ2DAK aka Xride
FreeBSD committer | FreeBSD since 2.2.6-R
  If a program is not working right, then send a patch