vmstat
procs -----------memory---------- ---swap-- -----io---- -system-- ------cpu-----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st
 0  1 106956 259672 216624 3198892  205   63   234   557    0    0  5  3 91  1  0
uptime
 10:48:40 up 1315 days, 10:30,  1 user,  load average: 2.43, 2.35, 2.28
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