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Introduction to Linux

Linux, full name GNU/Linux, is a set of free to use and freely spread Unix-like operating system, is a POSIX and Unix-based multi-user, multi-task, multi-threaded and multi-CPU operating system. With the development of the Internet, Linux has received support from software enthusiasts, organizations, and companies all over the world. In addition to maintaining strong momentum in the server, it has 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 perfect Linux according to their own needs, so that it can adapt to the needs of users to the maximum.

Linux is not only stable, but also open source software. Its core firewall component has high performance and simple configuration, which ensures the security of the system. In many enterprise 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.

Linux has the characteristics of open source, no copyright, many users in the technical community, etc. Open source allows users to freely tailor, high flexibility, powerful functions and low cost. Especially, the network protocol stack is embedded in the system, and the function of router can be realized after proper configuration. These features make Linux an ideal platform for developing routing switching devices.

How to check root password in Linux system

Linux cannot view the root password, because the root password is stored in ciphertext, and one of the goals of password design is to minimize the possibility of decryption. If you need to modify the password, you can modify the password in single-user mode. Restart after the modification is completed.

How does Linux check the root password? For more details, please pay attention to other related articles!

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