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The output of your command "$ vmstat 1 1" is:

procs -----------memory---------- ---swap-- -----io---- -system-- -------cpu-------
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa st gu
 0  0    268 372396 350972 22566380    0    0   308   291 2781    5  1  3 96  0  0  0