$free -lh
total used free shared buffers cached
Mem: 1.9G 1.8G 80M 0B 343M 449M
Low: 1.9G 1.8G 80M
High: 0B 0B 0B
-/+ buffers/cache: 1.0G 873M
Swap: 5.6G 348K 5.6G
$