sip代理服务器实现，linux下编程，基于osip2的代理服务器实现

讲解的是一些关于linux的相关知识，讲解详细由浅入深。-Explain some of the relevant knowledge on linux, easy-to-digest explain in detail.

实现Shell，能处理命令 cd ：改变进程当前路径 pwd ：查看进程当前路径 pid：查看当前进程号（getpid()系统调用） logout ：退出shell ls [-l] rm [-r] mkdir, mv, cp-achieve Shell, can handle orders cd : the process of change current path pwd : View current path process pid : View the current process (getpid () system call) logout : withdraw from the shell ls [-l] rm [-r] mkdir, mv, cp

linux下的进程开发实例，对理解linux进程概念及操作有价值。-the process of development under linux examples linux process of understanding the concept and operation of value.

LINUX设备驱动程序....介绍ARM与LINUX编程的一个好东东哦.-LINUX device driver .... Introduce LINUX programming ARM with a good Dongdong Oh.

国际标准协议的，用户认证及计费系统，在SUN 小型机上编译通过。-international standard protocols, user authentication and billing systems, the Sun compiled by Minicom.

linux中演示如何产生子进程，等待子进程退出的示例-linux demonstrated how to generate sub-process, wait for child process to withdraw from the sample

moto手机大多是基于linux系统，这是著名的showQ系列源代码，共有8种常用界面，对话框，输入框，ZN5 E8 适用！要先有SDK哦-moto phones are mostly based on linux system, which is the famous showQ series of source code, a total of eight kinds of commonly used interfaces, dialog box, input box, ZN5 E8 apply! Oh, must first have a SDK

jm_frext22.ZIP的压缩文件,主要用于嵌入式系统图象的编解码的开发.-jm_frext22.ZIP the compressed file, mainly used in embedded systems image codec development.

it a code for knapsack

教你如何一步 的搭建自己的linuxGUI，这个不是正式的发行版，不过很不错-Teach you how to build their own step linuxGUI, this is not an official release version, but very good