    # File lib/chef/shef/ext.rb, line 85
          def explain_command(method_name)
            help = self.all_help_descriptions.find { |h| h.cmd.to_s == method_name.to_s }
            if help
              puts ""
              puts "Command: #{method_name}"
              puts "".ljust(80, "=")
              puts help.explanation || help.desc
              puts "".ljust(80, "=")
              puts ""
            else
              puts ""
              puts "command #{method_name} not found or no help available"
              puts ""
            end
          end