A virtual machine (VM) is essentially a software-based emulation of a physical computer, existing as a file on a host machine rather than as tangible hardware. It functions just like a physical computer, allowing users to run operating systems and applications as if they were running on actual hardware. This technology operates by utilizing a hypervisor, which allocates system resources and manages the interaction between the VM and the host system. Similar to how virtual reality (VR) creates immersive environments, a VM creates a separate computing environment for tasks and processes. This capability means you can run multiple operating systems on a single physical machine, making it an invaluable tool for developers and testers needing to evaluate software across different platforms. Moreover, VMs enable improved resource management and can enhance system security by isolating applications. Additionally, they simplify backup and recovery processes, as entire virtual machines can be easily copied or migrated without the constraints of traditional physical systems.

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