There are many GUI applications to deal with databases and with MySQL in particular. But for die hard command line enthusiasts, who grew up with Linux, the shell prompt is still prince.
You would be surprised at the vast amount of operations that you can do from the command line. Running commands on several databases at once, filtering users, getting detailed metadata, transferring data from the operating system to a database and the other way around, creating scripts from database data, creating SQL commands from database data.
That, and more, you can learn by attending this tutorial. Learn the art of the command line as a shortcut to quick and efficient administration, and as help for demanding developers.

The material for this talk is still unpublished. I plan to publish an article immediately after the conference (see attached excerpt)