This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.

winsize= 

        # IO.winsize=

(from ruby core)
---
    io.winsize = [rows, columns]

---

Tries to set console size.  The effect depends on the platform and the
running environment.

You must require 'io/console' to use this method.

This is MURDOC! A Ruby documentation browser inspired by Smalltalk-80. It allows you to learn about Ruby by browsing through its class hierarchies, and see any of its methods.