ext2fs source code!

哈工大的几个人开发的操作系统pyos的部分源码-the development of several people pyos part of the operating system source code

用C语言实现的DOS操作系统的源代码，非常经典，研究操作系统的好资料-C language of the DOS operating system source code, very classic, a good operating system research information

在Xcode怎么在文本框等弹出泡泡提示，人性化提示等。好不容易找到的，非常有价值哦，-In Xcode, how to text boxes and other pop-up bubble tips, user-friendly prompts. Not easy to find, and very valuable Oh, He He

这是一个在VC环境下实现的关于操作系统中共享内存的源代码。-This is a VC environment in the realization of shared memory operating system source code.

这是一个在dsp2812上移植的程序，本人测试过，很不差，好东西-This is a dsp2812 on the transplant procedure, I tested, is very poor, good things

该文件为ＬＩＮＵＸ系统的实验，初学者可以好好理解里该环境下的操作-the document for Linux experiments, beginners can make good understanding of the environment Lane operation

部分常用系统的引导程序-part of the guidance system used procedures

nachos下线程与同步的实验，在nachos目录下覆盖源文件后make就可以运行-threads and synchronization of nachos Experimental

银行家算法,针对课本例子的求解-bankers algorithm, against textbook example of the Solution

超声波测距仪，用51来控制，本设计主要是以74LS04和CX20106A为测距模块，DS18B20用于温度补偿，12864液晶显示，HC-SR04为超声波显示板，语音模块由音频功率放大器LM386、语音芯片WT588D、低压差电压调节LM1117组成。