catcyborg/mengenal-ruby-eval — pull request #2 by tejanium (2013-09-19 13:04:11+00:00)
Title: Disable harmful module level methods on Kernel, such as Kernel.system

Make sure `Kernel.system('rm *')` won't be called **again** in [Coba Ruby](http://id-ruby.org/coba-ruby)