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What is the linux system? Many novices are not very clear about this. In order to help you solve this problem, the following editor will explain it in detail. People with this need can come and learn. I hope you can gain something.

Linux is a free and open source UNIX-like operating system. The kernel of the operating system was first released by Linus Torvalds on October 5, 1991. with the addition of user-space applications, it became the Linux operating system. Linux is also the most famous example of the development of free software and open source software. As long as you follow the GNU General Public license (GPL), any person or organization is free to use all the underlying source code of Linux, or to modify and redistribute it. Most Linux systems also include programs such as X Window, which provides GUI. With the exception of some experts, most people use the Linux distribution directly, rather than choosing each component or setting it up.

Linux strictly refers to the kernel of the operating system, because the operating system contains many user graphical interfaces and other utilities. Nowadays, Linux is often used to refer to a complete operating system based on Linux, while the kernel is called the Linux kernel. Since these system tools and libraries that support user space are mainly provided by the GNU project launched by Richard Stallman in 1983, the Free Software Foundation proposes to name its composite system GNU/Linux, but Linux is not part of the GNU project, and the name has not been agreed upon by the community.

Linux started out as a free operating system for personal computers that support Intel's x86 architecture. At present, Linux has been ported to more computer hardware platforms, far more than any other operating system. Linux can run on servers and other large platforms, such as mainframes and supercomputers. More than 90% of the world's 500 fastest supercomputers run Linux distributions or variants, including the top 10 fastest supercomputers running operating systems based on the Linux kernel. Linux is also widely used in embedded systems, such as mobile phones (Mobile Phone), tablet computers (Tablet), routers (Router), television (TV) and video game consoles. The Android operating system, which is widely used on mobile devices, is built on top of the Linux kernel.

In general, Linux is packaged as a Linux distribution for personal computers and servers, and some popular mainstream Linux distributions, including Debian (and its derivative versions Ubuntu, Linux Mint), Fedora (and its related versions Red Hat Enterprise Linux, CentOS), and openSUSE, etc. The Linux distribution contains the Linux kernel and the utilities and libraries that support the kernel, and usually comes with a large number of applications that meet a variety of needs. Linux distributions used by personal computers usually include X Window and a corresponding desktop environment, such as GNOME or KDE. Desktop Linux operating system commonly used applications, including Firefox web browser, LibreOffice office software, GIMP image processing tools and so on. Because Linux is free software, anyone can create a Linux distribution that meets their needs.

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