040000 tree 60299c324f58d9d083ff83e34bdf1dcb775564b3	checkers
040000 tree a6b5631eb25bf914d87c2ac5b79aa51fe8fdf269	configuration
040000 tree 281c974f5cfee9cf2c45c815ee68bb42ac7e0125	installation
040000 tree 0b883575a0cd6e331938a05f25e93c51c31fba4f	messages
040000 tree 814446e3174ac03ccf72b0ef47f1e1eae7f14eab	usage