enter command > d no messages enter command > f no messages enter command > b no messages enter command > r no messages enter command > a test1 << test1 >> enter command > d test1 enter command > f << test1 >> enter command > f << test1 >> enter command > b << test1 >> enter command > b << test1 >> enter command > r no messages enter command > d no messages enter command > f no messages enter command > b no messages enter command > r no messages enter command > a test2 << test2 >> enter command > d test2 enter command > a test3 << test3 >> test2 enter command > d test3 test2 enter command > f << test2 >> test3 enter command > f << test3 >> test2 enter command > f << test2 >> test3 enter command > b << test3 >> test2 enter command > b << test2 >> test3 enter command > a test4 test3 << test4 >> test2 enter command > d test4 test2 test3 enter command > f test4 << test2 >> test3 enter command > f test2 << test3 >> test4 enter command > f test3 << test4 >> test2 enter command > f test4 << test2 >> test3 enter command > b test3 << test4 >> test2 enter command > b test2 << test3 >> test4 enter command > b test4 << test2 >> test3 enter command > b test3 << test4 >> test2 enter command > b test2 << test3 >> test4 enter command > b test4 << test2 >> test3 enter command > a test5 test4 << test5 >> test2 enter command > r test4 << test2 >> test3 enter command > f test2 << test3 >> test4 enter command > f test3 << test4 >> test2 enter command > r << test4 >> test2 enter command > b << test2 >> test3 enter command > b << test3 >> test2 enter command > r << test3 >> enter command > f << test2 >> enter command > f << test2 >> enter command > r no messages enter command > b no messages enter command > b no messages enter command > r no messages enter command > x exit