Date: Sun, 13 Jun 99 08:52:56 +0000 From: w1@syrex.cc To: freebsd-questions@freebsd.org Subject: Memory and Addressing Protection Message-ID: <199906130852.KAA29502@syrex.acenet.co.za>
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Hi there, Sorry to bug you, I'm sure you have much better things to do than to answer questions like this, but I would really appreciate any help you can offer. I write a technical e-zine that focuses largely on security in computing issues. Over the past two issues I have described how memory protection worked in primitive Operating Systems, like MS-DOS and Multics. I have covered the use of fence registers, bounds registers, segmentation, paging, and paging on top of segmentation. I would like to move on to how memory protection in more advanced and modern Operating Systems works and, amongst others, how FreeBSD Memory Protection works. My CD-ROM Drive is broken, and as a result, I can't get FreeBSD source onto my home PC to analyze it. :( Could you please give me a technical overview of how FreeBSD Memory Protection works? If you're busy, you can delay answering this message for a few weeks, but I would appreciate a reply some time this month if at all possible. Thanks a Lot, Andrew To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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