Run "Top" and you'll find that much of the "used" ram is actually inRetroTechGuy wrote:
Mem: 286964 282380 4584 0 22700
Swap: 546200 0 546200
Total: 833164 282380 550784
That 5 M left really cramps my style.
cache and buffer.
Running "Htop" would show your ram being used as something
like 35 / 286964 at desktop.