Ruby
- ruby-1.8.1-7.EL4.8.1: An interpreter of object-oriented scripting language
- ruby-devel-1.8.1-7.EL4.8.1: A Ruby development environment.
- ruby-libs-1.8.1-7.EL4.8.1: Libraries necessary to run Ruby.
- ruby-mode-1.8.1-7.EL4.8.1: Emacs Lisp ruby-mode for the scripting language Ruby