The "in" column of vmstat output is not made to fit within its 4 character width. # vmstat 1 procs memory page disks faults cpu r b w avm fre flt re pi po fr sr ad0 da0 in sy cs us sy id 1 0 1 523M 233M 7.7K 9 6 1 8.4K 530 0 0 4214 6.4K 3.0K 52 9 39 2 0 1 523M 233M 0 0 0 0 0 5 0 115 16441 32K 24K 23 42 35 2 0 1 523M 233M 0 0 0 0 0 5 0 27 9921 24K 13K 21 54 25 2 0 1 523M 233M 0 0 0 0 0 5 0 139 17027 25K 24K 23 45 32 2 0 1 523M 233M 0 0 0 0 0 5 0 31 11108 26K 15K 18 55 27 The five digit numbers should be reduced with K suffixes, 16441 -> 16K, 17027 -> 17K, 11108 -> 11K.