Copyright (c) 2011 Zhu Jinliang

Overview:
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It is just like the shell command ls, but it is realized by C language.

How to use:
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Do as this:
cd ls
make     #compile the ls.c,then will creat "ls" which is an executable file. 

Then there will be an executable file exists. Now, you can run it by clicking 
"./ls" into the terminal.

Function:
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1.与ls命令类似，命令行参数可以有0到多个 
2.0个参数：列出当前目录下所有文件 
3.参数为目录：列出目录下所有文件 
4.-a：列出目录下所有文件包括以“.”和“..”开头的
5.-d：当遇到目录时列出目录本身而非目录内的文件
6.-l：使用较长格式列出信息
7.-S：根据文件大小排序
8.-t：根据文件修改时间排序

Note:
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Since the author's ability is limited, the software may exist many bugs that I
didn't have found and solve them. Please write them in a file, and send to me 
if possible. I'll appreciate your work very much!

Contact:
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If you want to make contact with me, mail me at this:
zhujinlianghust#gmail.com

-Zhu Jinliang, Nov 2011