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040000 tree f98d9083f35b37c94adbf38f179aceb220e66594	bsd
040000 tree 8a013f79b0803bf1dc54ae7772fadb5a231e8cba	linux
040000 tree 9d560547f2144feadbce3a73ae6e04e3f28c0503	posix
040000 tree 6ca90caec84a1336d28ec7df4437785a0588890b	solaris
040000 tree 16aa725a24c1c5cd5c6f51daa8337017a7d841dc	windows