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What is Oracle VirtualBox? And of course, why do

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we need to know about VirtualBox? Well, for this

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course you do need to install CentOS Linux

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operating system on your computer and there are

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two ways you can install it. One you could remove

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the existing operating system that you have on

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your computer or you could install VirtualBox on

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top of your existing Windows operating system or

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Mac and then you could install CentOS so you this

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way you won't lose anything. So basically,

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VirtualBox is a free and open-source hypervisor

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for x86 computers currently being developed by

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Oracle Corporation. It installs on your existing

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Intel or AMD based computers, whether they are

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running Windows, Mac, Linux, or Solaris. It

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extends the capabilities of your existing computer

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so that it can run multiple operating systems on

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one hardware at the same time. Let's see how it

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works. So you have one hardware layer and

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then on top of it, you install the operating

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system. Of course it could be any one you have

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that is Windows or Mac and then you install Oracle

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VirtualBox. It's just a program or software that

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you install on your machine like any other

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software that you will install. Once you have

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installed Oracle VirtualBox, then you could

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install the Linux on it as a separate small

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version of operating system. You could have

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Windows on it, or you could have Mac on it. So

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this one this VirtualBox allows you to have

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multiple operating system on a same hardware

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