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Linux system is suitable for daily use. Linux (full name GNU/Linux) is a set of Unix-like operating systems that are free to use and freely disseminated. It is a multi-user, multi-tasking, multi-threading and multi-CPU operating system based on POSIX and Unix; it is open source and has no copyright. , many technical community users and other characteristics.
Linux system is suitable for daily use.
Linux, the full name of GNU/Linux, is a set of Unix-like operating systems that are free to use and freely disseminated. It is a multi-user, multi-task, multi-threading and multi-CPU based on POSIX and Unix. operating system.
With the development of the Internet, Linux has received support from software enthusiasts, organizations, and companies around the world. In addition to maintaining a strong momentum of development in servers, it has also 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 it to meet the needs of users.
Linux not only has stable system performance, but also is an open source software. Its core firewall components have high performance and simple configuration, ensuring system security. In many corporate networks, in order to pursue speed and security, Linux is not only used as a server by network operation and maintenance personnel. Linux can be used as both a server and a network firewall, which is a highlight of Linux.
Linux has the characteristics of open source, no copyright, and many users in the technical community. Open source allows users to tailor it freely, has high flexibility, powerful functions, and low cost. In particular, the network protocol stack is embedded in the system, and the function of the router can be realized after appropriate configuration. These characteristics make Linux an ideal development platform for developing routing and switching equipment.
Main features:
Basic idea
The basic idea of Linux has two points: first, everything is a file; second, every Documents have a definite purpose. The first one is that everything in the system is boiled down to a file, including commands, hardware and software devices, operating systems, processes, etc. For the operating system kernel, they are all regarded as files with their own characteristics or types. . As for Linux being based on Unix, it is largely because the basic ideas of the two are very similar.
Completely free
Linux is a free operating system. Users can obtain it for free through the Internet or other channels, and can modify its source code at will. This is something other operating systems cannot do. It is precisely because of this that countless programmers from all over the world have participated in the modification and writing of Linux. Programmers can change it according to their own interests and inspirations. This allows Linux to absorb the essence of countless programmers and continue to grow.
Fully compatible with POSIX1.0 standard
This makes it possible to run common DOS and Windows programs through corresponding emulators under Linux. This lays the foundation for users to switch from Windows to Linux. When many users consider using Linux, they think about whether programs that were previously common under Windows can run normally, and this eliminates their doubts.
Multi-user, multi-tasking
Linux supports multiple users. Each user has its own special rights for its own file device, ensuring that users do not affect each other. Multitasking is one of the most important features of modern computers. Linux can enable multiple programs to run simultaneously and independently.
Good interface
Linux has both character interface and graphical interface. In the character interface, users can input corresponding instructions through the keyboard to perform operations. It also provides an X-Window system similar to the Windows graphical interface, which users can operate using the mouse. The X-Window environment is similar to Windows. It can be said to be a Linux version of Windows.
Support multiple platforms
Linux can run on a variety of hardware platforms, such as platforms with x86, 680x0, SPARC, Alpha and other processors. In addition, Linux is an embedded operating system that can run on handheld computers, set-top boxes or game consoles. The Linux 2.4 kernel released in January 2001 has fully supported the Intel64-bit chip architecture. At the same time, Linux also supports multi-processor technology. Multiple processors work at the same time, greatly improving system performance.
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