Virtual Machine is just like emulators software which is used for to run another Operating system and applications. The Virtual Machine is comprised of a set of specification and configuration files and is backed by the physical resources of a host and every Virtual Machine has virtual devices that are responsible to provide the same functionality as physical hardware and have additional benefits in terms of portability, manageability, and security which is used in regular OS. It also consists of several types of files that you store on a supported storage device and the key files that make up a Virtual Machine are the configuration file, virtual disk file, NVRAM setting file, and the log file and we can manually configure Virtual Machine settings through the vSphere Web Client or the vSphere Client.