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This article will explain in detail how the Linux system checks the total number of cpu and total memory of the host. The editor thinks it is very practical, so I share it with you as a reference. I hope you can get something after reading this article.

1. Check the total number of cpu

The first method: top command method

First execute the top command, as shown in the following figure.

In the display interface of the top command, press the number key 1 to view the total number of cpu in the current system, as shown below is a 4-core cpu.

Method 2: obtain the total number of cpu directly through the proc file system, and execute the following command:

Cat / proc/cpuinfo | grep processor

Second, the method of viewing the total memory

Method 1: top command method

Top is a powerful command that can also be used for total memory, as shown in the following figure.

Method 2: free command method

The free command is mainly used to display the amount of memory, as shown in the following figure

Generally use the-h parameter of the free command for a more user-friendly display

Method 3: get the total memory directly through the proc virtual file system.

Head / proc/meminfo

What is Linux system Linux is a free-to-use and free-spread UNIX-like operating system, is a POSIX-based multi-user, multi-task, multi-threaded and multi-CPU operating system, using Linux can run major Unix tools, applications and network protocols.

This is the end of the article on "how the Linux system checks the total number of cpu and total memory of the host". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, please share it out for more people to see.

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