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Downloads SourceCode OS program Linux-Unix
Title: linux Download
 Description: some simple information for people to use the Linux.
 Downloaders recently: [More information of uploader nlv_09]
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File list (Check if you may need any files): 
第二章（1）Linux简单命令.pdf
第二章（2）用户和组.pdf
第二章（3）文件和目录.pdf

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