vm:~# free -m
             total       used       free     shared    buffers     cached
Mem:          3829       2717       1112          0        132       1429
-/+ buffers/cache:       1155       2674
Swap:          956          4        952
vm:~# kill %1
vm:~# 
[1]+  Terminated              ./blah 1000
vm:~# free -m
             total       used       free     shared    buffers     cached
Mem:          3829       1939       1890          0        138       1429
-/+ buffers/cache:        371       3458
Swap:          956          4        952
vm:~#