用C++语言编写的4个小类型的操作系统课程实验。分别为用户接口实验，进程管理实验，存储器管理实验，和文件系统实验。内附源工程和实验报告。-Written in C++ language, the four small type of operating system course experiment. Experimental user interface, respectively, process management experiments, memory management experiments, and the file system experiments. Engineering and test reports containing the source.