Merge pull request #651 from geekpi/master

[Translating] Top 10 Linux Distros For Hackers
Merge pull request #652 from geekpi/master

[Translated] Top 10 Linux Distros For Hackers
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发布：How to Upgrade to GNOME 3.10 in Ubuntu 13.10
发布：Command Line Basics – watch
发布：CentOS 6.5 desktop installation guide with screenshots
Merge pull request #653 from SteveArcher/master

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[Translating] 12 Advanced Commands For Linux Server Admins