Using OpenStructs is a powerful secret tool that can really let Ruby magic shine, or be used dangerously to create unmanageable code.
When you first learn Rails, you will learn about an important little tool call flash messages. These messages are shown to your user to alert them of important information. Rails will stuff the information from your flash messages into its session, and pull it out again on the next request. There are some tricks you can use to massage your flash message to how you want them to appear.
Unix kill kill -9 Ctrl-Z Background Ctrl-C Stop or Terminate fg foreground