Some of the great tips and techniques that have been posted include:
- How to easily copy tables and migrate databases between remote MySQL databases
- A script that one can use that will allow a user to post Twitter messages from the terminal
- How to edit files on remote hosts without "telnetting" to the machine
- Convert a PDF to a JPG with one command
Shell-fu also accepts command line tips from the public as well. After reviewing the submitted tip, the site publishes it.
If you are looking to build your knowledge on the command line, try the shell-fu site.