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040000 tree 37614636dc966e5b90b91adf1b3052d5d44a6da5	kvm
040000 tree 130ddff53ed5894c877fb2a9c5ae74712d5e8227	ovm
040000 tree b48677af5882fc0595d716023a12fb962f8a3031	simulator
040000 tree 99e2ba62859a24dcff825b7a8a854d84f36ca9e7	ucs
040000 tree d6b5cca766ea38af2fd9acd00d0c75271f69cd4b	vmware
040000 tree 18b07831945d0ae4ff927da9c1d2a2333780ba08	xen