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040000 tree 2efb2bbe91065d79511f0d57db1a084a3038f222	ovm
040000 tree e19b48729c032215a8a9584a7df194f8e21110a0	simulator
040000 tree f6612150b7b8d1ed2b4bb497186e4c8a8be5a4b8	ucs
040000 tree c9200725f8255369a4b4c0b3f724fd1e849ab8e4	vmware
040000 tree 9e2433deffc22ae2624d1730aad37c0a9c6ac189	xen