The Internet is a much larger playing field than PC operating systems.

互联网是一个比PC操作系统大得多的竞技场。

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It's a little more involved on a PC but it's all free, the software you can download, and Linux in similar operating systems generally come with a compiler or you run a simple command to get it.

在PC机上有点复杂，但是它是免费的，你一般下载的软件，类似Linux的操作系统等等通常都需要,一个编译器，或者你可以运行一些简单的指令来获取。

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Microsoft generates plenty of cash thanks to its dominance of PC operating systems and office applications.

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In 1998, Microsoft was the unstoppable juggernaut, dominating markets for PC operating systems, business software, and Internet browsing.

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And, unlike today's personal digital assistants, Intel boasts such devices will be able to run PC-class operating systems, such as Windows Vista.

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