mysql-ctl start # Start mySQL server
mysql-ctl stop  # Stop mySQL server
mysql-ctl cli   # Restart mySQl server & open up CommandLineInterface

# Alternative (alias)
sudo service mysql start # Start mysql service
                         # Same as mysql-ctl start
sudo service mysql stop
mysql # Start mySql
      # Same as mysql-ctl cli

mysql> exit # Exit out of mySQL shell
mysql> ctrl + C # ALso exit
mysql> source <path>/fileName.sql # Run sql file
                                  # absolute path or path from where you start 'mysql' command