Cache Memory in top command

Bas Smeelen b.smeelen at
Thu Sep 30 12:45:00 UTC 2010

On 09/30/2010 01:37 PM, RW wrote:
> 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.
Could this be a "bug" in the man page then?
Because Wired en Buff are explicitly explained at the bottom of man (1) top

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