How to use vmstat command to display virtual memory status in Linux system?

In Linux, you can use the vmstat command to display virtual memory status ("Virtual Memory Statistics"), but it can report the overall operating status of the system such as processes, memory, I/O, etc. Let's take a look at the use of the vmstat command. method.

Syntax format: vmstat [parameter]

1、-aDisplay the inner page of the event

2, -fDisplay the total number of processes created after startup

3、-mDisplay slab information

4, -nThe header information is only displayed once

5, -sDisplay event counters and memory status in table format

6, -dReport disk status

7, -pDisplay the specified hard disk partition status

8、-SUnit of output information

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