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Date: Thu, 13 Jul 2000 23:45:19 +0000
From: Nik Clayton <nik@freebsd.org>
To: Ben Smithurst <ben@FreeBSD.org>
Cc: Nik Clayton <nik@freebsd.org>, freebsd-doc@freebsd.org
Subject: Re: FAQ addition
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References: <396A79E9.F3AD3D1@home.com> <20000713011414.B11472@kilt.nothing-going-on.org> <20000713213435.M48641@strontium.scientia.demon.co.uk>
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In-Reply-To: <20000713213435.M48641@strontium.scientia.demon.co.uk>; from ben@FreeBSD.org on Thu, Jul 13, 2000 at 09:34:35PM +0100
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On Thu, Jul 13, 2000 at 09:34:35PM +0100, Ben Smithurst wrote:
> I'm intending to add something like this,
> 
> --- book.sgml   2000/07/11 21:36:22     1.70
> +++ book.sgml   2000/07/13 20:32:50
> @@ -8411,6 +8411,20 @@
>  </answer></qandaentry>
>  
>  <qandaentry><question>
> +<para>Why does <command>top</command> show very little free memory when I
> +have very few programs running?</para></question><answer>
> +
> +<para>The simple answer is that free memory is wasted memory.
> +Any memory that your programs don't actively allocate is used
> +within the FreeBSD kernel as disk cache.  The values shown by
> +<command>top</command> labelled as <emphasis>Inact</emphasis>,
> +<emphasis>Cache</emphasis>, and <emphasis>Buf</emphasis> are all
> +cached data at different aging levels.  You actually want as little
> +<emphasis>Free</emphasis> memory as possible.</para>
> +
> +</answer></qandaentry>
> +
> +<qandaentry><question>

That's probably sufficiently detailed.  However, please follow the
formatting conventions described in the Primer (see the source for
the primer or the handbook for examples).  I know the bulk of the FAQ
doesn't follow these conventions, but that's because we haven't done
the work yet.

N
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