The command line with the Wizard function is provided here to help you try to learn Ruby

Http://tryruby.hobix.com/provides a command line that, in addition to the built-in Ruby method, provides the following interesting and useful five commands:

1. The help wizard takes about 15 minutes to help you learn the most basic things of Ruby.
2. In chapter 2 of help 2, you can also use help 3 to enter Chapter 3. When you haven't finished reading it for a long time, you can directly jump to a chapter with eight chapters in total.
3. Clear the screen. When you find that the browser starts to slow down, you can use it to understand the command history.
4. Back to the upper-level page in the Wizard
5. Time View the time when you open the session