top includes some memory information, the free utility displays the amount of free and used memory in the system in kilobytes. (The
-m switch displays in megabytes.) On one system, the output looks like this:
matthew@seymour:~$ free total used free shared buffers cachedMem: 4055680 3327764 727916 0 280944 2097568-/+ buffers/cache: 949252 3106428Swap: 8787512 0 8787512
This output describes a machine with 4GB of RAM memory and a swap partition of 8GB. Note that none of the swap is being used and that the machine is not heavily loaded. Linux is very good at memory management and ...