Antoine Beaupre on Drush
Antoine Beaupré (aka anarcat) of Koumbit talks about the Drush command line shell and Unix scripting interface for Drupal. He talks about some of his most common commands and uses as well as some of the new features in Drush 3.
For more information, be sure to check out the Introduction to Drush session from DrupalCon San Francisco.
There was also an Advanced Drush session at DrupalCon: