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procs -----------memory---------- ---swap-- -----io---- -system-- ----cpu----
 r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id wa
 0  1      0   2288   6632  73188    0    0    87    54  303   74  4  4 90  2
 0  0      0   2824   6260  72984    0    0     0    92 1628 1122  0 13 59 28
 0  1      0   2236   5236  74576    0    0     0    52 1555 1109  0 10 55 35
 0  1      0   2440   4984  74620    0    0     0    92 1931 1342  0 13 62 25
 0  1      0   2372   4852  74816    0    0     0    72 1581 1067  0  8 61 31
 0  1      0   2736   4768  74500    0    0     0 13120  957  383  0 22 67 11
 0  0      0   2976   4768  74252    0    0     0  1432 1244  777  0 12 71 17
 0  0      0   2524   4768  74668    0    0     0  1972 1755 1005  0 14 58 28
 0  1      0   2620   4764  74616    0    0     0  2024 1680 1007  0 15 65 21
 0  0      0   2772   4736  74596    0    0     0  1224 1142  610  0 10 77 13
 0  0      0   2680   4736  74736    0    0     0  1484 1470  824  0 13 69 18
 0  0      0   2800   4736  74656    0    0     0  1448 1358  807  0 15 70 15
 0  0      0   2344   4736  75164    0    0     0  1672 1067  605  0  7 77 16
 0  0      0   2856   4736  74844    0    0     0  1076 1034  628  0  7 85  8
 0  0      0   2920   4700  75004    0    0     0  1648 1251  677  0 10 71 20
 0  0      0   2352   4496  75880    0    0     0  1628 1357  892  0 11 80  9