Pressing Ctrl + C kills the running foreground process.

按“Ctrl + C”杀死正在运行的前台进程。

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This will start the MongoDB database server as a foreground process.

这将作为前台进程启动 MongoDB 数据库服务器。

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A visible process is considered extremely important and will not be killed unless doing so is required to keep all foreground processes running.

可见进程被认为是非常重要的进程，除非无法维持所有前台进程同时运行了，它们是不会被终止的。

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As soon as you back off, say by switching off the background music and allowing your foreground process to have all the processing power (and thereby complete its task more quickly), the benefits of having a dual-core machine will become far less tangible.

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