Ruby is "an easy object oriented language". It may seem a little strange at first, but it is designed to be easily read and written. This User's Guide will get you started at invoking and using ruby, and give you insights into ruby's nature that you may not get from the reference manual.

The Ruby User Guide provides beginners with a simple introduction to the basics, and experts will find advanced details they need.

In this you will see the following things below.

Table of Contents

1.What is ruby?
2.Getting Started
3.Simple examples
4.Strings
5.Regular expressions
6.Arrays
7.Back to the simple examples
8.Control structures
9.Iterators
10.Object-oriented thinking
11.Methods
12.Classes
13.Inheritance
14.Redefinition of methods
15. Access control
16. Singleton methods
17. Modules
18. Procedure objects
19. Variables
20. Global variables
21. Instance variables
22. Local variables
23. Class constants
24. Exception processing: rescue
25. Exception processing: ensure
26. Accessors
27. Object initialization
28. Nuts and bolts

You will find all this section offline without any internet connection and learn Ruby easily anywhere and anytime.