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040000 tree 42ba6e6e1363c850d2a2019191fab9723df44a45	network
040000 tree 905266d80814a79982c54992ba29a8914a01294a	storage
040000 tree 07b0ffea08e0beb098b6fcdca3fe288e6b1ee584	util
040000 tree 06f66d6ce2bd98fb066edf6d9b88685a02080c37	vm