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Fundamentals of Linux by Oliver Pelz

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Virtualization

In this section, we will give you an overview of the concepts of virtualization. We will also show you how to work with VirtualBox, and afterward show you how you can install your first CentOS 7 virtual machine in VirtualBox. It is a very hot topic and the core IT skill at the moment is virtualization.

Simply put, it is a technology to run separate operating systems parallel to your main operating system on the same computer. For example, if you are currently working on a Windows computer, you can run another operating system such as Linux or macOS in parallel to a simple Windows application on your desktop. Modern virtualization software does not even limit you to run only one parallel OS, but you can run multiple systems ...

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