Making and Using Features

From http://developmentseed.org/blog/2009/may/29/making-and-using-features-drupal

Using Drush

drush export view
drush export content type

You should now either have an error message or and exported view or content type in a file. The files are saved in the current working directory (in most cases where you ran drush from) so you can export views and content types right into your custom modules' include directories.

Making and Using Features in Drupal from Development Seed on Vimeo.

Handbook: http://drupal.org/node/580026