granmaxtor:~# vmstat -S M 1 5
procs -----------memory---------- ---swap-- -----io---- --system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in    cs us sy id wa
49 53   1906      7      0   1717    0    0  1053   697  610   735  5 21 37 37
47 54   1906      6      0   1718    0    0  6392    88 2262  1569  1 99  0  0
53 51   1906      7      0   1717    0    0  4364    68 1577   901  0 100  0  0
58 47   1906      7      0   1718    0    0  4988    40 1739  1292  1 99  0  0
34 53   1906      8      0   1717    0    0  9048     4 1813  1685  0 100  0  0
granmaxtor:~# free
             total       used       free     shared    buffers     cached
Mem:       2076180    2069132       7048          0        176    1759520
-/+ buffers/cache:     309436    1766744
Swap:      1951888    1951888          0