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Virtual machines can be used for a variety of purposes, such as software development, testing, running legacy applications, and server consolidation. They provide a way to isolate and secure applications and data, as well as simplify the process of deploying and managing multiple operating systems.
Virtual machines are created and managed using virtualization software, such as VMware, VirtualBox, Hyper-V, and KVM. These tools allow users to create, configure, and manage virtual machines, as well as allocate resources and network connectivity.
Overall, virtual machines offer a cost-effective and efficient way to utilize hardware resources and run multiple operating systems on a single physical machine. They have become an essential tool for developers, IT professionals, and organizations looking to optimize their computing infrastructure.