在这种模型中，宿主运行单一OS内核并向每个访客操作系统导出操作系统功能。
In this model, the host runs a single OS kernel as its core and exports operating system functionality to each of the guest operating systems.
ps最常用的功能是查看系统中运行的进程(请参见清单1)。
The most commonly used function of ps is to look at the processors running on your systems (see Listing 1).
我们曾经见到过一些产品系统，因为本地代码中存在令人难以忍受的错误(不是IBM的代码！)而经常崩溃，在这种情况下，上述功能仍然可以运行良好。
This works so well, that we've actually seen production systems that crash regularly (due to nasty bugs in native code — not IBM code!) still provide adequate service.
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