[root@www data]# ls
localhost-bin.001    lumix_db  test         www-bin.005  www-bin.010  www-bin.015  www-bin.020  www-bin.025  www-bin.030
localhost-bin.002    mysql     www-bin.001  www-bin.006  www-bin.011  www-bin.016  www-bin.021  www-bin.026  www-bin.index
localhost-bin.003    soldat    www-bin.002  www-bin.007  www-bin.012  www-bin.017  www-bin.022  www-bin.027  
localhost-bin.index  sql_temp  www-bin.003  www-bin.008  www-bin.013  www-bin.018  www-bin.023  www-bin.028  
localhost.err        te31      www-bin.004  www-bin.009  www-bin.014  www-bin.019  www-bin.024  www-bin.029



저런 파일들이 들어있는데요.
db 디렉토리는 알겠는데

www-bin.00x 파일들은 무슨 용도로 쓰이나요? 저것들이 용량을 엄청 먹더라고요..