1, computer science students: Because Linux opens up the bottom, through the use of Linux, you can clearly understand the operating mechanism of the operating system; 2, the pursuit of fashion users: Linux's 3D desktop effects set up properly, you can greatly improve the system's degree of aesthetics, for the pursuit of fashion users, it is a very good choice, and is the reason why many people choose Linux. 3, Users who want to control the system: Linux can set up all aspects of the system itself, you can modify the kernel, cancel the modules that are not useful to you. According to their own needs for optimization, compile a kernel suitable for their own system to get the best performance. 4, ordinary office workers: Linux provides office software and network browsing, multimedia playback software, etc. can generally meet the requirements of the use of the majority of cases. 5, the user of the security requirements of the user: due to the design of the Linux system, high security, as well as software incompatibility, Windows system viruses can not be used in most cases, but also to protect the system from viruses. Compatibility, Windows system viruses can not be used on the Linux platform, there is no threat. 6, require the use of high-efficiency users: Linux more command line and shortcut keys for operation, for the operation of the text there are many commands, and the use of the most vim and Emacs have a lot of shortcuts, the skillful use of shortcuts can greatly improve the efficiency of the processing of documents. 7, copyright-conscious users. 7, copyright-conscious users: Linux follows Copyleft's GPL licensing system, there is no copyright problem, even Redhat's Enterprise Edition, you can freely download and use.