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远程登录unixcenter服务器，有超过10台的大型主机服务器群。(Unixcenter remote login server, there are more than 10 large-scale mainframe server cluster.)

完全BIOS手册，开发BIOS的人员可以参考作为入门。(BIOS HandBook)

dos源码，国产的，不是ms-dos，可以学习，非常好用(dos code,made in china ,not ms-dos)

说明：  OSEK 2.23中文版- 汽车上使用实时操作系统的概念及多任务处理-... osek 2.23中文版- 汽车上使用实时操作系统的概念及多任务处理 评分: (开发汽车软件必备的基(The certification process ensures the conformance of different implementations to the specification.)

模拟操作系统进程调度的算法采用时间片轮转法和优先权法(operating system simulation process scheduling algorithm-time Web-law and law priority)

弹出日期选择器，精选ios编程学习源码，很好的参考资料。(Pop-up date selector, selection of learning IOS programming source code, a good reference.)

简单写字板，精选ios编程学习源码，很好的参考资料。(Simple WordPad, selection of learning IOS programming source code, a good reference.)

简单文件系统，实现一些基本操作，如创建文件、打开、关闭、读、写(Simple file system, to achieve some basic operations, such as creating files, opening, closing, reading and writing)

ThreadX的中文文档,提供了ThreadX实时内核的详细信息.(ThreadX the Chinese documents, provided the ThreadX real-time kernel details.)

免费dos操作系统(Free dos operating system)