This means you won't have to mess around with partitioning or doing anything else complicated with your real hard drive. The VM app presents this file the guest OS as a real hard drive. In a particular VM, the guest OS is stored on a virtual hard drive-a big, multi-gigabyte file stored on your real hard drive. It helps keep things from getting too confusing. In the VM world, the operating system actually running on your computer is called the host and any operating systems running inside VMs are called guests. Whenever you want to use the operating system, you can open the virtual machine program and use it in a window on your current desktop. It will install and run just as it would on a real, physical machine. The VM runs as a process in a window on your current operating system. You can boot an operating system installer disc (or live CD) inside the virtual machine, and the operating system will be "tricked" into thinking it's running on a real computer. What's a Virtual Machine?Ī virtual machine app creates a virtualized environment-called, simply enough, a virtual machine-that behaves like a separate computer system, complete with virtual hardware devices. You'll need to install a VM app, and have access to installation media for the operating system you want to install. ![]() ![]() There are several good free virtual machine (VM) apps out there, which makes setting up a virtual machine something anybody can do.
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