vmstat



examples/linux/vmstat.txt
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  0      0 159848  41188 361144    0    0     1     1   65   58  0  0 99  0  0