关于TCP方面的， 比较难理解

IPC各种机制的整理，比如消息队列，内存共享，PIPE，适合学习练习-The collection of the various IPC mechanisms, such as message queues, shared memory, PIPE, suitable for learning and practice

|-- p6.1.c 获得标准输入、输出和错误输出的终端名称 |-- p6.2.c 修改终端控制字符示例 |-- p6.3.c 使用curses实现密码输入 |-- p6.4.c 使用tcgetattr函数和tcsetattr函数实现密码输入 |-- p6.5.c 串口进行读写示例 |-- p6.6.c 扬声器发声程序 |-- p6.7.c 使用声卡播放音频文件 `-- p6.8.c 声卡录音程序示例 -|- P6.1.c access to standard input, output and error output terminal names |- p6.2.c modified sample terminal control characters |- p6.3.c realize the use of curses password |- p6. 4.c use tcgetattr function and realize tcsetattr function password |- p6.5.c serial read and write sample |- p6.6.c loudspeaker audible procedures |- p6.7.c use sound card to play audio files `- p6.8.c sound card recording procedures sample

深入理解linux内核第三版，英文版，比较易懂-Depth understanding of linux kernel third edition, in English, compared to understand

在Linux环境下，使用共享外部变量的方式，实现哲学家进餐问题-the Linux environment, the use of shared external variables, to achieve the Dining Philosophers Problem

对嵌入式实时操作系统进行了深入的研究。对当前UCLINUX操作系统上增强实时性 的不同方案进行了详细的分析和比较，提出了现存方案的优缺点。其后分析了 UC／OS―II的结构和特点，改造了UC／OS．II的实时内核，将其移植到UCLINIⅨ作为专 门处理实时进程的的内核(X2内核)，从而改良UCLINUX的实时性。-For embedded real-time operating system, conducted in-depth study. On the current UCLINUX enhanced real-time operating systems of different options for a detailed analysis and comparison, presented the advantages and disadvantages of the existing program. Subsequent analysis of UC/OS-II structure and characteristics of the transformation of the UC/OS. II, real-time kernel, be transplanted to UCLINI Ⅸ as to deal specifically with real-time process, the kernel (X2 core), thereby improving UCLINUX in real time.

本文详细地介绍了基于嵌入式系统中的OS启动加载程序Boot Loader 的概念、软件设计的主要任务以及结构框架等内容-This article described in detail based on the embedded system OS boot loader Boot Loader concept, the main task of software design and structural framework, etc.

基于qte 2.3.7做的 趋势图控件，可单独运行，目前只显示正负电压值跟踪-Qte 2.3.7 to do based on the trend graph control can be a separate operation, is currently only shows the value of positive and negative voltage tracking

linux 下的frambuffer,在屏幕的左上角显示一个图框！-the frambuffer, in the upper left screen shows a map box!

完成ls的如下功能 不带参数的ls：列出当前目录下的非隐藏（文件和目录名不以.开头）的文件和目录 ls -a：列出当前目录下的所有文件和目录 ls -l：以长列表形式列出当前目录下的非隐藏的文件和目录。每个文件或目录只要求列出如下信息：类型与权限、文件名、链接数、用户ID、组ID、字节大小、块数 ls 路径名：如果路径名代表一个存在的文件则显示该文件，否则提示出错；如果路径名字代表一个存在的目录则列出该目录中的文件 列出文件名和目录名时，要求可执行文件最后加上一个*号，目录名最后加上一个/号。 所提供的路径名可以包含“.”，“..”，“~”等特殊目录-completion of the following non-functional parameters of ls : listed in the current directory-hidden (files and directories were not. Beginning) of files and directories ls-a : listed in the current directory of all files and directories ls-l : in the long list of current directory listed under the non-hidden possession of files and directories. Each file or directory only asked to list the following information : the type and competence, file name, number of links, the user ID and group ID, byte size, a few blocks ls path : If a path representatives of the document showed documents suggest otherwise error; If representatives of a path name the presence of the directory lists the directory lists the

Linux设备驱动第三版源码和电子书。里面包含了设备驱动的源代码，还有电子书-Linux device drivers third edition of the source and e-books. Which contains the device driver source code, as well as e-books