Vmstat of Linux Process management commands

Display statistics for virtual memory

R: Number of running processes including running and ready-to-run processes

B: The process of non-disruptive sleep

Memory

SWPD Swap space usage

Free amount of idle memory

Buff The amount of memory used for the buff

Memory used by cache for cache

Swap

Si: The amount of disk to swap partition

So: The amount from swap to disk

Io

Bi: Amount received from a block device

Bo: Discover the amount of block devices

SYSTEM

In: Interrupts per second

CS: Context switching per second

Cpu

Parameter usage

Vmstat N M

N Refresh Interval

M refresh Times

View the usage of various memory

Vmstat of Linux Process management commands