排版更新
manpage新增
排版修正
排版修正
排版更新
排版修正
排版更新
Add du dir.
Small modification

Only calculate FS started with /dev
Use && to detect whether a command executes correctly
Merge pull request #3 from eternnoir/master

Add du dir.
Merge pull request #4 from johnjohnlin/smallfix

Small modification
Update CONTRIBUTORS

Thanks to eternnoir, johnjohnlin :D
description fixed
fixed typesetting

1. added spaces before and after pipe.
2. made each command a new line.
fixed typo

from  
ls -l which sh     
to      
ls -l `which sh`
Add "ls" quoting-style
Add dos2unix method in Vim's way
Add: get number of cpu cores
Merge pull request #5 from goldie-lin/master

新增兩個指令，並補充 dos2unix 於 vim 的方法。
Update CONTRIBUTORS

Thanks to goldie-lin. :D