In order to use the mysql command line client on the bundled ehd mysql database, you must use the standard mysql -u <user> -p with the following arguments: ***Note*** Execute these commands from your the mysql/bin folder of your ehelpdesk installation director (e.g. C:\Program Files\Grouplink\Everything HelpDesk\mysql\bin)
In Windows:
mysql -u root -p --port=3306 (assuming the standard mysql port)
In Linux:
./mysql -u root -p --protocol=socket --socket=/tmp/GLmysql.sock
other mysql commands such as mysqldump are also useable with the above arguments.