Rake

[b]Rake[/b]

Rake lets you define a dependency tree of tasks to be executed
Rake tasks are loaded from the file Rakefile
Rails rake tasks are under railties/lib/tasks
Put your custom tasks under lib/tasks

[b]Userful Rake Tasks[/b]

db:migrate
db:sessions:create
doc:app
doc:rails
log:clear
rails:freeze:gems
rails:freeze:edge
rails:update
:test(default task)
:stats