Display the memory of the system using the free command of linux

Do not know how to use linux's free command to display system memory? In fact, it is not difficult to solve this problem. Let the editor take you to learn how to solve it. I hope you will gain a lot after reading this article.

The free command displays the physical free and used memory in the system, as well as swapped memory, as well as the buffers and caches used by the kernel. This information is collected by parsing the file / proc/meminfo.

Running the free command without any options displays the system memory, including the total amount of free, used, swapped, buffered, cached, and swapped memory.

Syntax format: free [parameters]

Commonly used parameters: coach

-b display memory usage in Byte-k display memory usage in kb-m display memory usage in mb-g display memory usage in gb-s continuous display memory-t display total memory usage

Reference example

Display memory usage:

[root@linuxcool ~] # free

Use MB to display memory usage:

[root@linuxcool] # free-m

Use KB to display memory usage:

[root@linuxcool] # free-K

Displays memory usage information in the form of a sum:

[root@linuxcool ~] # free-t

Periodically query memory usage:

[root@linuxcool] # free-s 10 Thank you for reading this article carefully. I hope it is helpful for everyone to share the contents of using linux's free command to display the memory of the system. At the same time, I also hope you can support us, pay attention to the industry information channel, and find out if you encounter problems. Detailed solutions are waiting for you to learn!