直击Linux：12问 1.什么是Linux？ Linux是一个诞生于网络、成长于网络且成熟于网络的奇特的操作系统。-Live Linux: 12 question one. What is Linux? Linux is a birth in the network, grew up in the network and the maturity of the peculiar network operating system.

保持程序后台长驻的网关程序，非常实用哦-maintain permanent procedures background gateway procedures, a very practical oh

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 "

linux环境下的firewall程序！用c语言实现！-the firewall procedures! C language used!

Linux内核移植到ARM的毕业论文，以前同学的论文，保存了很，给需要的朋友分享。-Linux kernel ported to ARM s thesis, the thesis before the students, save for a very, to the need to share.

Mac OS模拟器源代码-Mac OS simulator source code

LINUX下逻辑运算符的应用-LINUX Logical Operators Application

minigui 开发软件附带实例源码，mg-samples-1.6.2.tar.gz。-MiniGUI software development with examples source, mg-samples- 1.6.2.tar.gz.

Linux下网络相关工具源代码。-Linux network correlation tool source code.

uCosII嵌入式操作系统在PIC24FJ128上的移植-uCosII embedded operating system in PIC24FJ128 Porting