This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# Pathname.make_link (from ruby core) --- pathname.make_link(old) --- Creates a hard link at *pathname*. See File.link.
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.