This is a Ruby tree! It shows every object from the Ruby Programming Language in a tree format.
# String.shellsplit (from ruby core) --- str.shellsplit => array --- Splits `str` into an array of tokens in the same way the UNIX Bourne shell does. See Shellwords.shellsplit for details.
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.