, record their learning every day since the end of the process of Linux, small white one, if have mistake please correct me, 
The development history of Linux system:
In 1969: the KeThompson AT& T bell laboratories created the Unix operating system, Unix system "egg",
In 1970: Unix formal use (KeThompson to play their own game invented the Unix system and language (C) B),
KeThompson the history of the great spirit: https://blog.csdn.net/weixin_30879833/article/details/98792443
In 1979: AT& T (similar to China unicom operators) company announced plans for the commercialization of the Unix system, source code into a commercial secrets, not in open source,
In 1984: Richard Stallman (beard) with such closed software environment, launched a GNU open source code and made the famous the GPL license agreement ,
In 1987: the GNU project won a major breakthrough - GCC compiler release, all programs apes can by GCC compiler to write their own open source software,
In 1991: Linus Torvalds (micro fat/Finnish Helsinki university students) compiled by GCC compiler called Linux operating system, open source
In 1994: Bob Young in Linux kernel, on the basis of integrated software source code and applications, the many built red hat,
In 1998: the Internet began to hot, HP, IBM, Intel Linux system support,
Common Linux system version:
1, red hat enterprise system (RedHatEnterpriseLinux, RHEL) : red hat is the world's largest open source technology vendors, RHEL is the most widely used within the Linux system all over the world,
2, the Community Enterprise Operating System (the Community Enterprise Operating System, CentOS) : give users RHEL System to compile and publish the free use of Linux System,
Current has been red hat "incorporation", (before RHEL and Centos always engage in a lawsuit, has since been RHEL acquisition, dozen however to buy him, beat join, is rich dad,)
3, Fedora: suite desktop system, released by the red hat RHEL "experimental field" of the system, and
4, packages (green lizard) : a famous German Linux system, community rules of human nature, the best desktop Linux environment, easy to install the software, YaST (the best control center on the operating system),
5, Gentoo, has a very high since the customization, complex operation, thus suitable for experienced personnel,
6, Debian (shit) : is a free operating system, by the technical community and jointly safeguard,
7, Ubuntu stool (son) : in desktop Linux operating system, to the new hardware has the very strong compatible ability,