在MySQL中，如何删除/刷新/清除所有不必要的日志?

I have tried several commands (FLUSH LOGS, PURGE MASTER) but none deletes the log files (when previously activated) or the log tables (mysql/slow_log.CSV and mysql/general_log.CSV and their .frm and .CSM counterparts).I have tried several commands (FLUSH LOGS, PURG