# vmstat 1
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 0  0      0 8066536   4876  28220    0    0    65     3 1010   45  0  0 98  1
 0  0      0 8066536   4876  28188    0    0     0     0 4036  144  0  0 100  0
 0  0      0 8065040   4892  28428    0    0   388     0 4051  194  0  0 99  1
 0  0      0 8049916   4892  42896    0    0     0     0 8419 3320  0  5 95  0
 0  0      0 8030112   4892  62188    0    0     0     0 9749 4420  0  7 93  0
 0  0      0 8024664   4900  67920    0    0     0    24 5659 1356  0  2 98  0
 0  0      0 8014876   4900  77140    0    0     0     0 6953 2442  0  4 96  0