Memory not freed?

[gaf at blu.org (Jerry Feldman)]

I can't answer this from the Linux standpoint, but many Unix systems do a 
similar type of thing.
I was just reading some documentation fo Linux paging algorithms. 
Here is a link to a somewhat outdated document which can provide some 
understanding.
http://www.linuxdoc.org/LDP/khg/HyperNews/get/memory/linuxmm.html

Ken Gosier wrote:

> Question about the way Linux handles RAM:
> 
> Running top, I see that most of my RAM is in use (90/96 M used), even
> though I only have a couple of terminals open. But, I just finished
> running a scientific program that took up quite a lot of memory.
> 
> I read a blurb once from Sun about how Solaris will leave pages from
> recently used applications in memory, and top will show them as in use.
> Just in case you re-start the same app, it will start much faster this
> time, since those pages are all ready to go.
> 
> Question: Does Linux do something similar?
> 
> Thnx--
> Ken Gosier
> ken_gosier at yahoo.com
> kg293 at 110.net
> 

-- 
Jerry Feldman <gaf at blu.org>
Boston Linux and Unix user group
http://www.blu.org


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