dos 操作命令，提供了windows平台下模拟dos操作系统的各种操作命令-dos command to provide a simulation dos under windows operating system platform for a variety of operation commands

仿windows的dos程序，仿照windows操作系统的dir，cd。。。等命令-Imitation windows of the dos program, modeled on the windows operating system dir, cd. . . Other commands