The Linux operating system is a cloned system of the UNIX operating system. It was born on October 5, 1991(this is the first time it was officially announced). Later, with the help of the Internet network and through the joint efforts of computer enthusiasts around the world, it has become the most used UNIX operating system in the world today, and the number of users is still growing rapidly.
Linux is a set of Unix-like operating systems that are freely used and freely propagated. It is a multi-user, multi-tasking, multi-threaded and multi-CPU operating system based on POSIX and UNIX. It can run major UNIX tool software, applications, and network protocols. It supports 32-bit and 64-bit hardware. Linux inherits Unix's network-centered design idea and is a stable multi-user network operating system. It is mainly used on Intel x86 series CPUs. The system was designed and implemented by thousands of programmers around the world. Its purpose is to establish Unix-compatible products that are not subject to the copyright of any commercial software and can be freely used all over the world.
Linux is known for its efficiency and flexibility. Linux modular design structure allows it to run on expensive workstations and implement all Unix features on cheap PCs. Ability to multitask and multiuser. Linux is free under the GNU public license and is an operating system that meets the POSIX standard. The Linux operating system software package includes not only complete Linux operating systems, but also applications such as text editors and advanced language compilers. It also includes an X-Windows graphical user interface with multiple window managers, which allows us to use Windows, icons, and menus to operate the system, just as we use Windows NT.