To get better performance, install the VMware Tools for the virtual operating system.

为了获得更好的性能，需要为虚拟操作系统安装 VMware Tools。

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As Figure 6 shows, this virtual image might contain virtual hardware and a virtual operating system.

如图6所示，该虚拟镜像可能包含有虚拟硬件以及一个虚拟的操作系统。

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Probably the easiest way to qualify WPARs is to refer to it as virtual operating system partitioning.

可以把WPAR看做虚拟的操作系统分区。

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We could have a special virtual operating system for the uncontrolled internet, and anyone who wanted to use it would simply have to run it.

BBC: Staying safe and taking risks

New York bank regulators said they are also discussing the issues with virtual currency exchanges operating in the state.

WSJ: 'Virtual' Currencies Draw State Scrutiny

The software treats various versions of Windows as "guest" operating systems that are run on virtual machines launched within the Mac OS operating environment.

FORBES: Magazine Article