commands-CMD..DOS-window

操作系统定时刷新功能，利用TIMER定时器定时后调用系统刷新功能，可做到计算机自动刷新、开机启动，并可设置刷新间隔时间并存档。(Operating system timing refresh function, using TIMER timer to call system refresh function after timing, can automatically refresh the computer, start, and set refresh interval time and archive.)

说明：  os design 一个操作系统的设计，里面带有说明书！～！～(os design an operating system design, with brochures inside! ~! ~)

source code for ms-dos 1.1 and ms-dos 2.1

弹出框口，精选ios编程学习源码，很好的参考资料。(Pop up box, select learning IOS programming source code, a good reference.)

FIFO和LRU页面置换算法，使用c++写的，有功能号，可以选择功能，进行相应的操作！(FIFO and LRU page replacement algorithm, using c++ written in the functional number, you can choose functions to carry out the appropriate action!)

经典的银行家算法，经编译后无错误，很好用(Classic banker s algorithm, as compiled error-free, very good use)

说明：  12路交流，24路开关，4路温度等直流测控。主机板的印制板图(12-way AC, 24-way switch, 4-way temperature DC measurement and control. Printed Board Drawing of Main Board)

ios Mac os programming

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.)

说明：  idl的二次开发，用idl代码直接计算植被覆盖度(Using IDL code to calculate vegetation coverage directly)