'''Interactive Ruby Shell''' ('''irb''') is a [[shell (computing)|shell]] for programming in the [[Object-oriented programming|object-oriented]] [[scripting language]] [[Ruby programming language|Ruby]]. irb is run from the [[Command line interface|command line]] and allows the programmer to experiment with code in real time. It features command-line history, line editing capabilities, and [[job control]], and is able to communicate directly as a [[shell script]] over the Internet and interact with a live server.
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irb (Interactive Ruby) was developed by Keiju Ishitsuka. It allows you to enter the commands at the promt and have the interpreter respond as if you were executing a program. irb is a useful way to explore Ruby.
