VirtualBox Virtual Machine software.

VirtualBox虚拟机软件。

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The essay presents how to use Virtual Machine software to demonstrate the setup of computer system bottom layer and the installation of operating system to students in teaching.

该文介绍了如何使用虚拟机软件，在计算机教学中为学生演示计算机系统的底层设置和操作系统地安装。

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Each virtual machine includes the application software and supporting middleware and operating system.

每个虚拟机都包括应用程序软件和支持中间件及操作系统。

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By renting out cloud-based computers by the hour, companies could run any OS, software or programming language on a powerful virtual machine.

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Once you've installed these "virtual" machines on your Mac, you can for the most part install PC applications on the virtual machine as though it were a real PC--though few software vendors will actually help you out running their software in an emulated environment.

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