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The command to view the network card information under the linux system

Many windows users are familiar with the ipconfig command line tool, which is used to obtain and modify network interface configuration information. The Linux system has a similar tool, ifconfig (interfaces config). You usually need to log in as root or use sudo to use the ifconfig tool on a Linux machine. Depending on some option attributes used in the ifconfig command, the ifconfig tool can be used not only to simply obtain network interface configuration information, but also to modify these configurations.

1. Command format:

Ifconfig [network equipment] [parameters]

2. Command function:

The ifconfig command is used to view and configure network devices. When the network environment changes, you can configure the network through this command.

3. Command parameters:

-a displays all interface information

-s displays summary information (similar to netstat-I)

Expand knowledge:

Linux, whose full name is GNU/Linux, is a set of Unix-like operating system that is free to use and spread freely. It is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX and Unix. With the development of the Internet, Linux has received support from software enthusiasts, organizations and companies all over the world. In addition to maintaining a strong momentum of development in servers, it has made great progress in personal computers and embedded systems. Users can not only intuitively obtain the implementation mechanism of the operating system, but also modify and improve Linux according to their own needs to maximize meet the needs of users.

Advantages of Linux:

Stability and efficiency: because Linux is developed from Unix, Linux and Unix have many similarities, not only in the user interface and mode of operation, Linux also inherits the excellent stability and efficiency of Unix. For servers using Linux as the operating system, it is quite common to run without downtime for a year.

Low configuration requirements: Linux has very low hardware requirements, and it can run smoothly on computers a few years ago. With Windows, you need to constantly upgrade the machine's hardware.

Free or small fee: Linux is based on GPL, so anyone can use or modify the original code for free. It costs a little bit of money only if you choose a distribution of Linux made by some vendors.

Strong support: a large number of Linux enthusiasts will communicate and discuss, and develop and share some good software, with a very open atmosphere for use.

Security: Linux has considerable user and community support, so it can quickly discover system vulnerabilities and quickly release security patches.

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