In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.) # vmstat 1 100 procs…

In this example output, which descriptions match the purpose of the free, buff and cache columns? (Choose THREE correct answers.) # vmstat 1 100 procs -------memory-------swap---io-----system----cpu---- r b swpd free buff cache si so bi bo in cs us sy id wa 0 0 0 282120 134108 5797012 0 0 0 2 0 0 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1007 359 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1117 577 0 0 100 0 0 0 0 282120 134108 5797012 0 0 0 0 1007 366 0 0 100 0