как объяснить такое ? > vmstat ; swapinfo procs memory page disk faults cpu r b w avm fre flt re pi po fr sr ad0 in sy cs us sy id 1 0 1 216964 21200 132 0 1 0 117 0 0 1929 2731 2781 6 3 91 Device 1K-blocks Used Avail Capacity /dev/ad0s1b 1048576 0 1048576 0%