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Re: [tlug] Peeling onions.
- Date: Mon, 7 Mar 2005 22:50:47 -0500
- From: Josh Glover <firstname.lastname@example.org>
- Subject: Re: [tlug] Peeling onions.
- References: <email@example.com> <firstname.lastname@example.org> <email@example.com>
On Tue, 8 Mar 2005 00:47:35 -0000 (GMT), firstname.lastname@example.org <email@example.com> wrote: > The secret to innovation, in my mind, is to have something so small that > you can rewrite it easily. Linux is now too big. You are right, up to a point, but Linux is surprisingly accessible, if you have an old machine that you are willing to destroy in your initial baby steps. I took a one-semester course on Unix Kernel Internals at uni, and we had to do four different kernel projects. One of which was writing a filesystem, another adding exec protection to data pages, the other two more trivial (in fact, so trivial that I do not remember what they were--I think one had to do with bootstrapping). We used O'Reilly's _Understanding the Linux Kernel, 2nd Edition_ (http://www.oreilly.com/catalog/linuxkernel2/index.html) as our textbook. Kernel hacking really ain't that hard if you know your way around the design of a modern OS and you are a fair-to-middlin' C coder. NachOS is also a great tool for learning about OS design without putting real silicon at risk: http://www.cs.washington.edu/homes/tom/nachos/ -Josh
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