Containerization
Some people consider containers to be a form of virtualization, sometimes called Type-C virtualization or OS-level virtualization. In recent years, containers have taken on a life of their own and very specific container use cases have become such buzz-worthy topics that containers as a general concept have been all but lost. Containers, however, represent an extremely useful form of (or alternative to) traditional virtualization.
Container-based virtualization varies from traditional virtualization in that in traditional virtualization every aspect of system hardware is replicated in software by the hypervisor and exists uniquely to every instance or virtual machine (often called a Virtual Environment (VE) when talking about containers) running on top of it. There is nothing shared between the virtual machines and by definition any operating system that supports the hardware virtualized can run on it exactly as if it was running on bare metal.
Container-based...