With virtualization, a single physical machine or computer system called a host, can run many individual virtual instances, known as guests.
Virtualization can be defined as the creation of an abstraction layer over computer hardware through the use of a software, so as to enable the operating system (OS), server, storage device, etc., to be used by end users.
In this context, a single physical machine or computer system referred to as a host, can run many individual virtual instances, known as guests through the use of virtualization technology.
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