用一种结构化高级语言构造分区描述器，编制动态分区分配算法和回收算法模拟程序。 -Use a structured high-level language describes tectonic division, prepare dynamic partitioning algorithm and recovery algorithm simulation program.

Code for loading PCX image files, good to understand the methods of loading structured image files

构建一棵树形结构的文件系统,要求程序模拟简单的dos文件系统的命令功能 Cd：类似dos的cd命令 Edit:创建文件 Del: 删除文件 Rd:删除目录 Dir:显示目录 Md:创建目录 -Build a tree-structured file system, and program to simulate the function of simple dos file system commands Cd: similar to the dos cd com