(Answer) (Category) Linux on PowerPC FAQ-O-Matic : (Category) Distributions :
LinuxPPC memory usage
I am running linux ppc 2000 on a 400 MHz G3 Powerbook with 128MB RAM. When I use the top command to check memory usage, I am told that 100MB are being used even when I'm not running any processes. I did not expect that linux + gnome would consume nearly this much memory. Does anyone have an explanation?

Yes, there is a explanation. Most things and most time Linux is caching. Yes memory usage you see is the sum of all things in memory and also the cached datas. Memory used by cache will be reduce when more processes are started. Check it with top it should most the time nearly equal. If you exceed a limit the swap will be activated and Linux will swap out (virtual memory) processes which are idle most the time. Don't cry it's all okay! :-)===)
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