To learn a bit about the browser, try finding the IO interface. Here are some steps to help you out:
Browsing programs in this environment is just like browsing a web page. You can use all the features that you know about your web browser, like adding bookmarks for a particular interface, reloading a page when required, or use the "back" and "forward" buttons. In fact, in as many places as possible, we have placed hot links to let you navigate through your program.