A List

• General log - all queries - see VARIABLE general_log
• Slow log - queries slower than long_query_time - slow_query_log_file
• Binlog - for replication and backup - log_bin_basename
• Relay log - also for replication
• general errors - mysqld.err
• start/stop - mysql.log (not very interesting) - log_error
• InnoDB redo log - iblog*

See the variables basedir and datadir for default location for many logs

Some logs are turned on/off by other VARIABLES. Some are either written to a file or to a table.

(Note to reviewers: This needs more details and more explanation.)

Documenters: please include the default location and name for each log type, for both Windows and *nix. (Or at least as much as you can.)