Linux
There are many versions released under linux, or called magic version. Some common versions are introduced below to avoid noun confusion.
Linux provides a kernel, just like Google's kernel, and QQ browser uses Google's kernel, which can be regarded as a distribution version.
Ubuntu (Ubuntu)
Ubuntu
Ubuntu is the most popular Linux distribution
Debian
It is an organization, and many projects are based on linux, so it has become a synonym for a linux distribution.
Debian refers to a cooperative organization and its works dedicated to creating a free operating system. Since the Linux macrokernel is the main branch of the many kernel branches of the Debian project, and most of the basic tools in the operating system created by Debian developers come from the GNU project, "Debian" often refers to Debian GNU/Linux.
Mainly used for servers.
Deepin
The domestic operating system based on linux, the Chinese name is "deepin operating system". It was based on Ubuntu before, then Debian, and now it is directly based on Linux.
And Ubuntu is a level.
Raspbian
It is the operating system of Raspberry Pi, based on Debian.
CentOS
CentOS is a free, open source, and redistributed open source operating system.
CentOS (Community Enterprise Operating System, Chinese means community enterprise operating system) is one of the Linux distributions.
Kali Linux
Kali Linux is an updated version of BackTrack with additional tools. Kali Linux is a Debian-derived Linux distribution designed for forensics and penetration testing. It is maintained and funded by Offensive Security Ltd.
Free Kylin
Based on ubuntu, it can be regarded as the Chinese special edition of ubuntu, and is currently in deep cooperation with ubuntu.
GNU/Linux
GNU is Gun not Unix.
GNU was developed by a group of bigwigs at the beginning, and later it was developed together with Linux. It is called GNU/Linux. The so-
called GNU/Linux distribution is a set of GNU/Linux that has been accumulated. Choose the basic software in the GNU project, add the Linux kernel, find a bunch of open source and free software licensed by copyright agreements, and finally make an installer, and you're all set. Such as Ubuntu, debian, etc.