为Windows操作系统建立一个兼容Unix命令的命令接口；

实现命令包括ls,cat,cp,mv,md,rd,cd,sort,more,print，命令的内容与详细格式请查阅unix命令手册；

可以字符形式接收命令，执行命令，然后显示命令执行结果。-Compatible for the Windows operating system, a Unix command command interface　to achieve order, including ls, cat, cp, mv, md, rd, cd, sort, more, print, order the content and details of the format please refer to unix command manual　can character receive the command, the command, and then display the command execution results.