外壳编程。详细解释，包括awk，sed，TR和其他…

安装DDD之前，需要装的-installation required before packing of

分别采用信号量，信号灯，条件变量实现的读者--写者方法。-Using semaphores, signal, variable conditions of the realization of the readers- to write those methods.

将.rar去掉后用bin方式传到sco unix上解包。 需要在sco unix 5.0.5以上，informix7.0以上环境运行。在其它环境运行需要重新make. -will. Rar removed after using bin way sco unix reached on a package. Unix sco in 5.0.5 above, the operating environment informix7.0 above. In other environments need to re-make running.

Mplayer源码，不用多介绍了吧。 媒体类型 文件格式 MP3 mp3 m3u CD/DVD cda MPEG和AVI视频 mpg mpeg mpv mps m2v m1v mpe mpa avi mp4 m4e RealAudio和RealVideo rt ra rm rmvb rp rv Windows Media wma wmv wax asx asf wm wmx wvx QuickTime mov qt AAC aac m4a m4p 其他媒体 wav mp2 mp1 mpeg pls xpl smi smil flv ssm sdp aif aiff mid midi rmim acp rpl 3gp amr awb 3g2 au-Mplayer source code, do not have to introduce you. Media type file format MP3 mp3 m3uCD/DVD cdaMPEG and AVI video mpg mpeg mpv mps m2v m1v mpe mpa avi mp4 m4eRealAudio and RealVideo rt ra rm rmvb rp rvWindows Media wma wmv wax asx asf wm wmx wvxQuickTime mov qtAAC aac m4a m4p other media wav mp2 mp1 mpeg pls xpl smi smil flv ssm sdp aif aiff mid midi rmim acp rpl 3gp amr awb 3g2 au

linux 协议下的atomicaction 实现部分的源代码-atomicaction under the agreement achieved part of the source code

androidapp开发环境搭建-androidapp development environment to build

实现简单的Linux Shell，至少支持cd、pwd、logout、ls等命令-Implementing simple Linux Shell, at least to support the cd, pwd, logout, ls command, etc.

能够很完善的在LINUX下进行串口编程，支持修改串口的波特率等参数，还可以设置特殊波特率，比如B2-Sound can be carried out under the LINUX serial programming, support a revision of the baud rate and other parameters of serial port, you can set a special baud rate, for example, B28800

适合新手读的c源代码,包含linux下ls、echo、ping等常用工具的源代码-C suitable for novice reading the source code, including linux under ls, echo, ping and other commonly used tools for source code

很好的mmap（）驱动函数的it is a good driver for mmap func-Good mmap () driver function it is a good driver for mmap func