jthomas@rb-bir-mincore:~$ vmstat 1 20
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 1  0 182256 188500 310564 13291876    0    0   180    55    1    0  5  4 90  1  0
 1  0 182256 189616 310564 13291996    0    0     0    36  639 1064  1  0 99  0  0
 0  0 182256 189424 310564 13292100    0    0     0     0  154  268  0  0 100  0  0
 1  0 182256 183548 310588 13292104    0    0    16  1328  941 1400  1  1 98  0  0
 1  0 182256 188568 310604 13292140    0    0     0  1620 1299 2233  3  1 95  0  0
 1  0 182256 188804 310604 13292148    0    0     0     0  454  925  0  0 100  0  0
 0  0 182256 189284 310608 13292332    0    0     4   496  951 1695  1  0 99  0  0
 0  0 182256 189276 310608 13292336    0    0     0     0  431  946  0  0 100  0  0
 0  0 182256 189276 310616 13292328    0    0    12  1308  321  447  0  0 100  0  0
 0  0 182256 189528 310616 13292844    0    0    96   416  828 1403  1  0 99  0  0
 1  0 182256 188528 310640 13292736    0    0    24   208 1685 2820  2  1 97  0  0
 0  0 182256 188456 310656 13292932    0    0    20   132 1631 2775  2  1 97  0  0
 0  0 182256 188832 310656 13293012    0    0     0     0  236  400  0  0 100  0  0
 1  0 182256 184580 310684 13293640    0    0   128  2304 2434 3823  3  1 96  0  0
 3  0 182256 179692 310728 13293772    0    0    52   160 3451 4977  4  2 95  0  0
 0  0 182256 186812 310740 13293924    0    0     8   212 1173 1821  4  1 95  0  0
 0  0 182256 193216 310748 13293984    0    0    24    36  967 2007  1  1 99  0  0
 0  0 182256 193640 310748 13294052    0    0     0     0  253  372  0  0 100  0  0
 0  0 182256 193392 310756 13294056    0    0     0   280  236  379  0  0 100  0  0
 1  0 182256 193460 310756 13294056    0    0     0     0  273  505  0  0 100  0  0