Clearing memory?

Rayson Ho raysonlogin at
Mon Mar 25 20:59:33 EST 2002

So where is the memory that is not freed?? And what's the output of the
command "free"??

Linux uses free memory as disk cache, since "free" memory is wasted


--- Qiang Cui <qiang at> wrote:
> it looks like that some blocks of memory were not
> fully released after previous calculations. This problem forces us to
> reboot the machine from time to time for large-memory calculations. 

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