I use Ruby on Rails every day and *just now* discovered you can run ./script/about from your Rails app root. Here’s some sample output…

$ ./script/about

About your application’s environment

Ruby version 1.8.4 (i686-darwin8.5.2)

RubyGems version 0.8.11

Rails version 1.0.0

Active Record version 1.13.2

Action Pack version 1.11.2

Action Web Service version 1.0.0

Action Mailer version 1.1.5

Active Support version 1.2.5

Edge Rails revision 35

Application root /Users/jbaty/Sites/mysite.com

Environment development

Database adapter mysql

So many things I don’t know about, but there’s one fewer today.