用bash学习linux的文件知识！
增加显示shell参数的部分.
del cd
add for
git学习笔记
V0.1版本
增加新的内容
Signed-off-by: wendaozhe <wendaozhe@gmail.com>
V0.3

Signed-off-by: wendaozhe <wendaozhe@gmail.com>
v0.11
2013-02-17_03
Merge github.com:wendaozhe/notes

Conflicts:
	git

Signed-off-by: wendaozhe <wendaozhe@gmail.com>
2013-02-17_04
Signed-off-by: wendaozhe <wendaozhe@gmail.com>