What is virtualization, and how does it vary from the several subcategories it falls under (Language, OS, and Hardware)?

To begin, we will define virtualization and then distinguish between the many flavours of virtualization, which may be broken down into three categories: language, operating system, and hardware.

First, we need a good description of virtualization and a way to tell the difference between its many subcategories, such as Language, Operating System, and Hardware.

First, define virtualization and describe the differences between the various flavors of virtualization (Language, Operating System and Hardware).

What precisely is a virtual machine, sometimes abbreviated as VM, and how does it carry out its intended purposes? What are the advantages of using the use of a virtual machine? What are the benefits of using virtualization, and how exactly does the technology work in its most basic form?

For those who are unfamiliar with virtual machines (VMs), what exactly are they? In my circumstance, what useful is a virtual machine? What advantages does virtualization provide?