As a link between software and hardware, operating system plays a core role in the security field. Developing localized operating system is a problem that the country needs to face directly to prevent network attacks and threats. The localization of Chinese operating system began at the end of the 20th century. 10 on April 8th, 999, XteamLinux 1.0, the first domestic operating system based on Linux/Fedora, was released, which opened the road of operating system localization.
In the past 20 years, there have been more than 20 different versions, and most of them are based on Unix/Linux for secondary development. Blue Dot, Red Flag, Deepin, Neokylin New Kirin and Galaxy Kirin Kirin are all well known. However, for various reasons, few localized operating systems survive in the market.