Virtual Machine Disk file for VMware virtual machines
Non-virtualized computers load and execute hundreds or thousands of individual files, including operating-system kernel files, device drivers, application components and data files. Virtualization abstracts the software from the underlying hardware and puts all the constituent data for a given virtual machine (VM) in a single disk file. The disk file is essentially a complete and independent virtual machine.
A disk file with the VMDK extension is a virtual machine using VMware virtualization products or other platforms that support VMDK files such as Sun XVM, QEMU, or VirtualBox.
Learn more about VMDK files:
Stephen J. Bigelow discusses the VMDK file format in this tip.
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