> The "used" figure in Top doesn't really tell you anything,
> since it includes
> the kernel buffer which tries to take up all available
> memory. If you
> actually look at the list of processes, I think you'll find
> that you're only
> using 1-2% of memory for applications.
>
> I'm not sure what app would show your "real" free memory.
The command 'free' shows what you like to know:
$ free
total used free shared buffers
cached
Mem: 1551480 1505656 45824 0 101400
1015540
-/+ buffers/cache: 388716 1162764
Swap: 524264 23088 501176
The used/free amounts on the second line are the interesting ones in
this case.
Arjen