ale@ale-SATELLITE-C850D-10W:~$ free
             total       used       free     shared    buffers     cached
Mem:       3635144    3470360     164784      80924     139792    1584684
-/+ buffers/cache:    1745884    1889260
Swap:      3905532        212    3905320
ale@ale-SATELLITE-C850D-10W:~$