Other personal computer operating system exist, but by far the majority of personal computer software is written for MS - DOS.

虽然也有其他个人计算机操作系统，但到目前为止，大多数个人计算机软件都是为MS - DOS操作系统编写的。

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District Judge Thomas Penfield Jackson said in June that Microsoft should be split in two as its sentence for abusing its dominant position in the personal computer operating system market.

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Look what happened to IBM when it ceded the personal computer operating system to Microsoft and the processors to Intel, or when Microsoft allowed Apple and Google to dominate the mobile operating platform.

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This software colossus's domination of the personal computer's operating-system market is complete.

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