[EMAIL PROTECTED] writes:
> when checking my machines with top and free -t -o I have noticed
> that some of them are using all but about 4 or 4 megs of the available
> memory ( 256 available) even when the cpu cycles are at 97 to 99 % idle
> and all but one of the system processes are sleeping. I have been
> unable to find a more informative way to find out just what ( if
> anything) is using all of this memory, or is it just being reported in
> use in some bizarre fashion??
>
Linux "uses" most of the memory, most of the time. It has the kernel,
and the applications, in memory. It uses all but a few MB of the rest
for disk buffers. Any time the applications, etc. need more memory,
Linux flushes some disk buffers, and frees up the memory. This is
one reason why Linux is faster under many circumstances, because
it is constantly trying to use all resources to their fullest.
Bob Sparks
Linux guru wannabe
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