Cache Memory in top command

RW rwmaillists at
Thu Sep 30 11:37:44 UTC 2010

On Thu, 30 Sep 2010 09:24:58 +0200
Bas Smeelen <b.smeelen at> wrote:

> *Wired:* number of pages wired down, including cached file data pages

That refers to buffer pages (displayed as Buf), which are a subset of
the cached file data pages.

The pages in the cache queue are not specifically cached file data
pages, they are clean pages from any source, including pages that have
been written to swap.

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