Ruby interview questions and answers - freshers, experienced

An open source programming language that focuses on simplicity and productivity. The syntax of Ruby language is elegant which is natural to read and easy to write.......
Ruby on Rails is an open source web application framework for the Ruby programming language.......
The Ruby standard library extends the foundation of the Ruby built-in library with classes and abstractions for a variety of programming needs.....
Ruby is an object oriented language and every object oriented language tends to allocate many objects during execution of the program........
RUBYOPT, RUBYLIB, RUBYPATH, RUBYSHELL, RUBYLIB_PREFIX......
Interpolation is the process of inserting a string into a literal......
Ruby uses the super keyword to call the superclass implementation of the current method.......
Reuire() loads and processes the Ruby code from a separate file, including whatever classes, modules, methods, and constants are in that file into the current scope......
If you declare one variable as global we can access any where, where as class variable visibility only in the class.......
False is a boolean datatype, Nil is not a data type........