From owner-freebsd-hackers  Tue Aug 22 10:10:44 2000
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From: seebs@plethora.net (Peter Seebach)
Reply-To: seebs@plethora.net (Peter Seebach)
To: Jonathan Lemon <jlemon@flugsvamp.com>
Cc: hackers@freebsd.org
Subject: Re: Advanced OS Questions only you can answer... 
In-reply-to: Your message of "Tue, 22 Aug 2000 12:14:37 CDT."
             <200008221714.e7MHEbL05793@prism.flugsvamp.com> 
Date: Tue, 22 Aug 2000 12:10:37 -0500
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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


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