我们使用电脑接触最频繁的就是DOS。DOS是英文Disk Operating System的缩写，意思是“磁盘操作系统”，顾名思义，DOS主要是一种面向磁盘的系统软件，说得简单些，DOS就是人与机器的一座桥梁，是罩在机器硬件外面的一层“外壳”，有了DOS，我们就不必去深入了解机器的硬件结构，也不必与死记硬背那些枯燥的机器命令，只需通过一些接近于自然语言的DOS命令，我们就可以轻松地完成绝大多数的日常操作。另外，DOS还能有效地管理各种软硬件资源，对它们进行合理的调度，所有的软件和硬件都在DOS的监控和管理之下，有条不紊地进行着自己的工作。-We use the computer the most frequent contact is DOS. DOS Disk Operating System is the English acronym, meaning　Disk Operating System , by definition, DOS is primarily a disk-oriented system software, put it more simply, DOS is a bridge between man and machine is a machine outside cover hardware the layer of　shell , with DOS, we do not have to understand the hardware structure of the machine, do not and memorize those boring machine commands, just close to natural language through a number of DOS commands, we can easily to perform most daily operations. In addition, DOS can effectively manage a variety of hardware and software resources, their reasonable dispatch, all the software and hardware are under DOS monitoring and management, the orderly conduct of their work.