How Virtual Machines Are Changing the Landscape of Cloud Computing

A virtual machine (VM) is a software-based emulation of a physical computer that can run an operating system and applications just like a physical machine. It allows multiple operating systems to run on a single physical machine, providing a way to segregate applications and services from one another for security and efficiency purposes.

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VMs are commonly used in cloud computing environments to provide flexibility and scalability for running multiple virtual servers on a single physical server. They can also be used for development and testing environments, software compatibility testing, and disaster recovery solutions.

Popular virtualization software options include VMware, VirtualBox, and Microsoft Hyper-V. VMs are often used in conjunction with hypervisors, which are software or firmware that creates and runs virtual machines.