# vmstat 5
procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 2  0     52  53644   4100 467764    0    0    45    26   56   49 43 22 35  0
 2  0     52  51312   4112 470392    0    0  1152    23  884 2223 68 32  0  0
 2  0     52  53488   4104 468008    0    0   793     5  875 2067 71 29  0  0
 2  0     52  52468   4116 469040    0    0   818     7  866 2141 70 30  0  0
 2  0     52  51032   4128 470636    0    0   959     2  799 2008 68 32  0  0
 2  0     52  53848   4080 467672    0    0  1250     8  834 2138 72 28  0  0
 2  0     52  52324   4088 469440    0    0   982    15  703 1617 71 29  0  0
 2  0     52  52048   4100 469832    0    0   704     6  707 1684 73 27  0  0
 3  0     52  51500   4100 470336    0    0   718     6  844 1997 69 31  0  0
 3  0     52  52280   4104 469652    0    0  1103    13  853 2193 69 31  0  0