Linux monitoring tool introduction series & mdash; free, linux monitoring series free

Source: Internet
Author: User

Linux monitoring tool introduction series-free and linux monitoring series-free

In Linux, we can view and monitor the system memory usage. The most common command is free. The free command is actually very simple, and the parameters are also very simple, but you may not know much about it. The following is a summary of the free commands I know. If any, please note. Many knowledge points in this Article refer to the following references, which are a verification and summary based on the previous articles.

Free command Introduction

The free command is a tool that shows the idle and used memory size in the system. Most Linux distributions contain the free command, but the version may be different. The free command uses the value in/proc/meminfo as the benchmark to display the memory usage information. Free-displays the total amount of free and used physical and swap memory in the system, as well as the buffers used by the kernel. the shared memory column represents the 'shmem 'value. the available memory column represents the 'memavailable' value.

Free Parameter Introduction

You can enter the man free command in the console to view

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