今天看到一篇 介紹 ubuntu 裡的幾個好用的工具，很不錯！
11 Useful Utilities To Supercharge Your Ubuntu Experience
ref: http://www.omgubuntu.co.uk/2014/11/useful-tools-for-ubuntu-do-you-use-them
主要介紹以下幾個軟體：
- Unity Tweak Tool
- Unity Privacy Indicator
- Unity Folders
- Caffeine
- System Monitor Indicator
- Power Saving Tools for Linux Laptops
- Intel Graphics Installer
- Hardware Stats
- Disk Space Visualizer
- BleachBit (Cruft Cleaner)