Firefox about Commands List

We love Firefox, so when our resident geek compiled this interesting list of "about" commands, we couldn't resist sharing it with you guys.
To use the about commands just type the it into the Firefox address bar.
about:
Just typing "about:" will show general and version information. It's kind of short for about firefox :)
about:mozilla
It's a firefox easter egg. Try it.
about:robots
New easter egg.
about:blank
Shows a blank page.
about:config
Shows Firefox configuration.
about:cache
Shows information about Firefox cache. You can even browse the files in the cache
about:credits
Shows the list of contributors who helped develop Firefox.
about:plugins
Displays a list of plugins installed on Firefox
about:buildconfig
Information about the particular build of Firefox. Of interest to only geeks :)
about:home
Shows home page of Firefox with Google search bar
about:support
Shows troubleshooting information
about:logo
Show the Mozilla Logo
about:memory
Shows memory usage of Firefox