1.upto(5) { …code to loop here… } : Code Block Method Ruby
1.upto(5) { puts "Test" }
get help on what commands are available (some output truncated). : RubyGems Language Basics Ruby
$ gem help commands GEM commands are: build Build a gem from a gemspec ... specification Display gem specification (in yaml) uninstall Uninstall a gem from the local repository unpack Unpack an installed gem to the current directory update Update the named gem (or all installed gems) in the local repository For help on a particular command, use 'gem help COMMAND'. Commands may be abbreviated, so long as they are unambiguous. e.g. 'gem i rake' is short for 'gem install rake'.
