I am concerned my system is using WAY too much memory while idle.
Mem: 3084608k total, 2102676k used, 981932k free, 605132k buffers
Swap: 0k total, 0k used, 0k free, 716156k cached
The system monitor reports about 760MiB being used. How does this correlate to the info given by top? How can I look for major memory-resident offenders?