Is linux a language?
Linux is not a language. Linux is a 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. . It can run major Unix software tools, applications and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits the network-centric design philosophy of Unix and is a multi-user network operating system with stable performance.
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A brief history of Linux
The birth of the Linux operating system, The development and growth process has always relied on five important pillars: Unix operating system, MINIX operating system, GNU project, POSIX standards and Internet network.
In the 1980s, the performance of computer hardware continued to improve, and the PC market continued to expand. The main operating systems available for computers at that time were Unix, DOS and MacOS. Unix is expensive and cannot run on PCs; DOS is crude and its source code is strictly kept secret by software manufacturers;
MacOS is an operating system specially used for Apple computers. At this time, the field of computer science urgently needs a more complete, powerful, cheap and fully open operating system. Since there are few typical operating systems for teaching use, Andrew S. Tanenbaum, an American who was a professor in the Netherlands at the time, wrote an operating system called MINIX in order to teach students about the inner workings of the operating system.
Although MINIX is good, it is only a simple operating system for teaching purposes, not a powerful practical operating system. However, the biggest advantage is that the source code is open. Computer students all over the world study the MINIX source code to understand the MINIX operating system running on the computer. Linus Torvalds, a second-year student at the University of Helsinki in Finland, is one of them. Based on absorbing the essence of MINIX, Linus wrote in 1991 The release of its own Linux operating system, version Linux0.01, marks the beginning of the Linux era.
He used the core of Unix, removed the complicated core programs, rewritten it into an x86 system suitable for general computers, and put it on the Internet for everyone to download. In 1994, he launched the complete core Version 1.0. At this point, Linux It has gradually become a fully functional and stable operating system and is widely used.
Linux Advantages
1)Linux is composed of many microkernels, and its source code is completely open source;
2)Linux inherits the characteristics of Unix, It has very powerful network functions and supports all Internet protocols, including TCP/IPv4, TCP/IPv6 and link layer topology programs, etc., and can use the network characteristics of Unix to develop new protocol stacks;
3) The Linux system tool chain is complete, and a suitable development environment can be configured with simple operations, which can simplify the development process, reduce obstacles to simulation tools in development, and make the system highly portable;
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