Open source operating systems are open source operating system software that can follow the open source protocol (GNU) for use, compilation and redistribution. Under the premise of compliance with the GNU protocol, anyone can use it for free and control the way the software works at will.
The history of open source operating systems is closely tied to GNU. The GNU Project, which began in 1983, is dedicated to developing a free and complete Unix-like operating system, including software development tools and various applications. By the time the Linux kernel was released in 1991, GNU had completed the development of almost all of the necessary software in addition to the system kernel. Thanks to the efforts of Linus Torvalds and other developers, GNU components could run on top of the Linux kernel. The entire kernel was based on the GNU General Public License, or GPL (GNU General Public License), but the Linux kernel was not part of the GNU Project. in March 1994, Linux version 1.0 was released, and Marc Ewing founded Red Hat Software, which became one of the most prominent Linux distributors.
Compared to non-open source operating systems, such as Windows and Mac, the most important feature of open source operating systems is open source and free customization, but also because of the user's technical level and other relationships there are many unpredictable situations and maintenance problems, and because most hardware and software vendors do not support open source software. So there are great difficulties in the driver and software sources, which requires individual users to pay attention to the choice of the system according to their actual situation to choose, which is the main reason why it is more difficult for individuals to use open source operating systems.
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