free -m shows 2GB used but gnome-system-monitor shows 1GB
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Distribution: RH 6.2, Gen2, Knoppix, 98,2000 + various
The disk buffers/cache are really free memory that is being used for disk cache, 1051 megs there. any programs that need it can get it, but right now it's disk cache. It just depends on the way the program decides say what is free memory.