USB键盘驱动,是标准的驱动,可以试一下,很好用!

写一个脚本文件checkuser,该脚本运行时带一个用户名作为参数，具体要求如下： 1)如果命令行格式不符合要求，应有错误提示信息； 2)在/etc/passwd文件中查找是否有该用户， 如有，则输出“Found in the /etc/passwd file.” 否则，输出“No such on our system” -Write a script file checkuser, the script run-time with a user name as a parameter, and specific requirements are as follows: 1) If the command-line format does not meet the requirements, there should be error message 2) in/etc/passwd file to check if there were any users, and if so, then the output " Found in the/etc/passwd file. " Otherwise, output" No such on our system "

显示图片的程序 -Show pictures Show pictures of the process procedures

红帽子的官方培训教材，学习linux的必看之书，强烈推荐-label of the official training materials, learning linux watched every game of the book and strongly recommended

在linux下把串口映射成TCP/IP端口- Maps under linux the string mouth the TCP/IP port

svm文本分类改进,关键词抽取（Keywords Extraction）指的是如何从一篇文档（或多篇相关文档）中自动抽取出能很好地代表文档主题的若干个词或短语。-Improvement of SVM text classification, keyword extraction (Keywords Extraction) refers to how a document (or more related documents) automatically extracted to represent the theme of a number of documents a word or phrase.

模拟Shell的执行过程-simulation of the implementation process

ccache２．４的源代码，用于嵌入式系统开发．-ccache2.4 the source code for the embedded system development.

linx的命令大全，对于初学者有很大的帮助，有些命令今后将继续上传-linx command Guinness, for beginners there is a great help, some orders will continue to upload

unix 交互式界面开发工具（IDK)-interactive interface development tools (IDK)

linux 的学习课件，有源代码分析，linux学习内容重难点讲解。-linux learning courseware, active code analysis, linux learning content heavy and difficult to explain.