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What is Oracle VirtualBox? And of course, why do
we need to know about VirtualBox? Well, for this
course you do need to install CentOS Linux
operating system on your computer and there are
two ways you can install it. One you could remove
the existing operating system that you have on
your computer or you could install VirtualBox on
top of your existing Windows operating system or
Mac and then you could install CentOS so you this
way you won't lose anything. So basically,
VirtualBox is a free and open-source hypervisor
for x86 computers currently being developed by
Oracle Corporation. It installs on your existing
Intel or AMD based computers, whether they are
running Windows, Mac, Linux, or Solaris. It
extends the capabilities of your existing computer
so that it can run multiple operating systems on
one hardware at the same time. Let's see how it
works. So you have one hardware layer and
then on top of it, you install the operating
system. Of course it could be any one you have
that is Windows or Mac and then you install Oracle
VirtualBox. It's just a program or software that
you install on your machine like any other
software that you will install. Once you have
installed Oracle VirtualBox, then you could
install the Linux on it as a separate small
version of operating system. You could have
Windows on it, or you could have Mac on it. So
this one this VirtualBox allows you to have
multiple operating system on a same hardware
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