Linux memory usage and swap files

Gareth Westwood gareth at
Thu Jul 8 07:22:50 PDT 2004

Ian Molton wrote:
> On Thu, 8 Jul 2004 10:56:04 +0200
> Dan Osterrath <Dan.Osterrath at> wrote:
>>>their (read only) pages are simply discarded - they can be read back
>>>from disc.
>>But the i would call it "discard" ant not "page out". ;-)
> no. page out is the general term. r/w data gets swapped, ro code/data
> gets discarded.

Is there a way to initiate a clear out of memory/swap? I got 512 mb in 
this box and it is nearly always round the top 90% mark. I can't believe 
that it's all still in use.

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