Merge pull request #46 from LCTT/master

Update Repository
Update 20141115 How to perform system backup with backup-manager on Linux.md
Merge pull request #1985 from GOLinux/master

[Translating] 20141115 How to perform system backup with backup-manager on Linux.md
Merge pull request #1984 from KayGuoWhu/master

[Translating]20140905 Linux TCP or IP networking--net-tools vs. iproute2
Translating by ZTinoZ
Merge pull request #1986 from ZTinoZ/master

Translating by ZTinoZ
translating by KayGuoWhu