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This article introduces the relevant knowledge of "what are the characteristics of linux". In the operation of actual cases, many people will encounter such a dilemma. Then let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Linux is a multi-user, multi-task, multi-thread and multi-CPU operating system based on POSIX. Linux inherits the design idea of Unix with network as the core, and is a multi-user network operating system with stable performance.

The operating environment of this tutorial: linux5.9.8 system, Dell G3 computer.

Linux, whose full name is GNU/Linux, is a free-to-use and free-distribution UNIX-like operating system. Its kernel was first released by Linus Benedict Towaz on October 5, 1991.

Linux at the beginning of the design, is based on Intel x86 series CPU architecture computer, it is a POSIX-based multi-user, multi-task and support multi-threading and multi-CPU operating system, it is designed and developed by thousands of programmers around the world, the original purpose of the development of Linux system is not restricted by any commercial software copyright, the world can freely use Unix-like operating system compatible products.

Linux can run major Unix tools, applications, and network protocols. It supports 32 bit and 64 bit hardware.

Linux inherits the design idea of Unix with network as the core, and is a multi-user network operating system with stable performance.

In the past 20 years, Linux system has been mainly used in server-side, embedded development and PC desktop, among which the server-side field is the most important. For example, the large and super-large Internet enterprises we are familiar with (Baidu, Tencent, Sina, Ali, etc.) are using Linux system as their server-side program running platform, and more than 90% of the top 1000 websites in the world and China use Linux system.

Linux has hundreds of different distributions, such as debian and archlinux based on community development, and Red Hat Enterprise Linux, SUSE, Oracle Linux based on commercial development.

The Linux operating system is so popular because it has the following excellent features:

Linux is not only free, but also open source, which means that anyone can get its code and modify it according to their own needs. In fact, this has spawned a huge ecosystem of dedicated Linux distributions, which we will discuss in the "Common Linux distributions" section.

Linux is compatible with the Unix system, which uses some of the same technology as the UNIX operating system and has almost all the excellent features of Unix (especially the stability and security of the system).

Compared with other operating systems, Linux is easier to install and will not be restricted by any commercial version.

Linux makes it possible to do all kinds of practical, useful and creative things. For example, we can load Linux's autogenic system boot image (live boot image) on a USB drive, start a computer whose hard drive has crashed, and then find and resolve the problem. Or, because Linux is a true multi-user operating system with excellent privacy and stability, the entire team can log in locally or remotely to work at the same time.

Linux provides a complex software package management system that can safely install and maintain software applications in every online repository.

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Of course, there are many features of the Linux operating system, which will not be overstated here. I believe that with the deepening of learning Linux, you will have more experience.

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