Date: Tue, 22 Aug 2000 12:10:37 -0500 From: seebs@plethora.net (Peter Seebach) To: Jonathan Lemon <jlemon@flugsvamp.com> Cc: hackers@freebsd.org Subject: Re: Advanced OS Questions only you can answer... Message-ID: <200008221710.MAA12340@guild.plethora.net> In-Reply-To: Your message of "Tue, 22 Aug 2000 12:14:37 CDT." <200008221714.e7MHEbL05793@prism.flugsvamp.com>
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In message <200008221714.e7MHEbL05793@prism.flugsvamp.com>, Jonathan Lemon writ es: >In article <local.mail.freebsd-hackers/200008221653.LAA11615@guild.plethora.ne >t> you write: >>>2. How does the OS manage main memory and does it manage secondary storage >>>to back up main memory. I need on algorithm and one structure to show this >>>management...along with how they relate to the management. >> >>The OS manages main memory by breaking it up into 8 1/2 by 11 sections of bit >s >>called "pages". (The 1/2 is used for parity.) > >Yes, but this is not portable. For a better fit, the OS should strive >to maintain ISO 216 compliance as well, if possible. Look, I don't think we want to confuse the kid. It's bad enough that the crossways "8 inches" just refers to a standard octet, but the vertical 11 inches is a 2^N thing. It's worse still that, on most platforms, the page is really 12 or 13 inches. I wanted to start him with the easy case. -s To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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