Question about memory usage
Mem: 1029168k av, 972696k used, 56472k free, 0k shrd, 238064k buff
703988k actv, 120k in_d, 20760k in_c
Swap: 1052248k av, 103600k used, 948648k free 471912k cached
looking at the above from the top command I see I have a gig of ram and 970MB of that in use while only 56 megs free.
However 470 megs of that is cached.
I'm confused about which part of this memory is actually used?
Is cached in use, if not why do I have only 56 megs free and isn't everything in cache?