What is Virtual Box ? Oracle virtualbox is a software which allow users to run multiple operating system in a single machine and to freely switch between OS instances running simultaneously. It can create and manage guest virtual machine each with a guest operating system and its own virtual environment. VirtualBox is open-source software for virtualizing the x86 computing architecture. It acts as a hypervisor, creating a VM (virtual machine) in which the user can run another OS (operating system). The operating system in which VirtualBox runs is called the "host" OS. The operating system running in the VM is called the "guest" OS. VirtualBox supports Windows, Linux, or macOS as its host OS. When configuring a virtual machine, the user can specify how many CPU cores, and how much RAM and disk space should be devoted to the VM. When the VM is running, it can be "paused." System execution is frozen at that moment
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