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SearchOpenSource: Virtual Operating Systems, Virtual Machines

Jul 11, 2006, 11:30 (0 Talkback[s])
(Other stories by MiMi Yeh)

[ Thanks to Jane Walker for this link. ]

"SearchOpenSource.com: You mentioned that User Mode Linux differs from other virtualization technologies because it's more of a virtual operating system than a virtual machine. How does a virtual operating system compare with a virtual machine?

"Jeff Dike: A virtual operating system has greater contact with the host operating system. This allows interactions between guest and host, which would be difficult or impossible with a virtual machine. For example, UML has two file systems [with somewhat different properties], which allow a host directory to be mounted as a UML file system..."

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