Linux was created in 1991 by Linus Torvalds as an open source alternative to existing work systems like Minix. It simplified Unix internals and had features like open source code under GPL licensing for free use, stable and effective operation inherited from Unix systems, and the ability to independently run on workstations and servers providing full functionality.

1. LinuxA different work system

2. Who created??LinusTorvalds，But it may find mercying in the early work system (ex:Minix)Torvalds started in 1991 to research and develop Linux

3. Purpose“Opening” and “free”Simplify many Unix inside datas

4. FeatureOpen source code: The user can decide how to use the software

5. Operation stability: Inherit Unix’s stable and effective feature

6. Low cost Linux is based on the GPL foundation product, therefore anybody can obtain freelyIndependent work: complete nearly all workstations or server's service on one's own