MS-DOS required you to type in arcane commands, so Microsoft set to work on making a new OS with a more accessible user interface.

MS-DOS要求键入生涩难懂的指令，所以微软着手研发新的具有更为简易操作界面的操作系统。

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This ran on an 'operating system' called DOS, produced by a then small company named Microsoft.

的工作程序，而这种程序是由当时规模不大的微软公司生产的。

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This ran on an 'operating system' called DOS, produced then by a small company named Microsoft.

这种电脑采用了一种被称为磁盘操作系统(DOS)的工作程序，而这种程序是由当时规模不大的微软公司生产的。

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Of course if Windows isn't your cup of tea, then you can also install Microsoft's DOS on your Mac using Virtual PC.

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Windows Me will be Microsoft's last operating system based on its 20-year-old DOS programming technology.

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Companies like Microsoft (DOS) and RIM (BB) have made their money on one product which they try and stretch out over the length of the cycle.

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