![]() Xen is an open-source Citrix virtualization software for large ISPs or server hosting. It supports a wide range of guest operating systems (Windows, Linux, BSD), and also provides the ability to create multiple virtual machines for simultaneous use. Oracle VM VirtualBox is an open-source virtualization software. There are some good virtual solutions out there today: VMware Workstation for Microsoft Windows and Linux, VMware Fusion for macOS, VMware ESXi enterprise hypervisor. Microsoft Hyper-V is an advanced software virtualization option that ships with Windows Server 2008, Windows 8 and is used mainly in a server environment, often to create private clouds. The most common hypervisors (there are both free and licensed versions) on the market today include: The virtual hardware on which the guest OS is running is managed by a hypervisor, which allocates physical resources to each of the systems without interrupting each other. ![]() Each guest OS runs on the host OS just like a regular program. The operating system of the virtual machine is called the guest OS, and the operating system in which the virtual machine is installed is called the host OS. ![]() Using the resources of the physical host, the VM remains completely independent, since it uses its own software components (motherboard, video adapter, network interface, memory, etc.). The virtual machine is located on a real physical host. What is a virtual machine?Ī virtual machine is a platform that simulates the operation of a physical machine. However, there are risks associated with this technology, such as the loss of or issues with access to crucial virtual data. In the event of a failure, the "neighbors" will continue to function since each OS may execute and use its own set of apps without interfering with the others. As a result, the price of acquiring and maintaining new equipment is lower. ![]() You can run many separate operating systems of various sorts on the same hardware platform thanks to environment virtualization. Virtual machines are frequently utilized for these purposes, not just in business settings.
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