Merge branch 'master' of https://github.com/LCTT/TranslateProject

Merge from LCTT
Merge branch 'master' of https://github.com/LCTT/TranslateProject

Merge from LCTT.
Merge branch 'master' of https://github.com/LCTT/TranslateProject

Merge from LCTT.
翻译中 by runningwater
Merge branch 'master' of https://github.com/runningwater/TranslateProject
Merge pull request #868 from runningwater/master

[翻译中]How to Change Umask Value Permanently in Linux