It is useful for debugging purposes by letting the debugger break into operating system code and examining the hardware registers.

对于调试来说，它是很有价值的，它允许调试器中断操作系统代码、并检查硬件寄存器。

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The new mode is called guest, and as the name suggests, it's used for execution of guest operating system code (or at least some of it).

这种新模式就称为客户模式，顾名思义，它用来执行客户操作系统代码(至少是一部分代码)。

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More operating system code was moved out of the kernel and into user space, resulting in a much smaller kernel and the rise of the term microkernel.

Mach把更大部分的操作系统代码移出内核，放入用户空间，结果形成一个大大缩小了的内核，术语“ 微内核”随之兴起。

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Anyone can look at operating system source code, modify it and share it with the world.

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Samsung has combined a full-color Palm operating system device with a code division multiple access (CDMA) phone.

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It takes courage to eliminate code from an operating system to make it more stable and reliable, as Apple did with Snow Leopard.

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