Merge pull request #273 from vito-L/master

translating by Vito
发布：Torvalds--Apple's free OS is no threat to Linux
校对中
已校对
fix a link error in README
Merge pull request #274 from geekpi/master

fix a link error in README
[翻译中] 01 The Linux Kernel--Introduction.md
校对中
校对完毕,累坏啦:)
Merge pull request #276 from geekpi/master

[翻译中] 01 The Linux Kernel--Introduction.md
发布：How This 75 Year-Old Piece of Paper Started Modern Computing