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040000 tree b30f89dac73a6f5ad6fc6bc3d1fe9e3f8b3b85db	hyperv
040000 tree bb907a07ea2cddf100b9c40b21ef896dcf768466	kvm
040000 tree 088a01d6d0026604c2d2d385a55d48c869cb5524	ovm
040000 tree 0d3dcf1bd78800c965921cc82aac24746e50317d	simulator
040000 tree 45edfbd9e227de01ab4faa1ea7af88d95f7d1825	ucs
040000 tree 705b1e16b81a3237ebe1fba920e0eb75922f06ed	vmware
040000 tree 24c9b3bf6dd739cd31ebfeaa699ae26aa8b87832	xen