Data Dictionary: /var/lib/mysql
Log Files: /var/log/mysqld.log
Global Configuration File: /etc/my.cnf
MySQL Executable Program: /usr/bin
[ec2-user@ip-172-xx-xx-x ~]$ ls /usr/bin/mysql*
/usr/bin/mysql /usr/bin/mysql_tzinfo_to_sql /usr/bin/mysqld_pre_systemd /usr/bin/mysqlshow
/usr/bin/mysql_config_editor /usr/bin/mysql_upgrade /usr/bin/mysqldump /usr/bin/mysqlslap
/usr/bin/mysql_migrate_keyring /usr/bin/mysqladmin /usr/bin/mysqldumpslow
/usr/bin/mysql_secure_installation /usr/bin/mysqlbinlog /usr/bin/mysqlimport
/usr/bin/mysql_ssl_rsa_setup /usr/bin/mysqlcheck /usr/bin/mysqlpump