How to execute puts "Hello World!" in the ruby ​​interpreter?

Question

ruby

Is it possible to execute a simple command in the interpreter without RubyMine? Before that, I wrote in php js (

Answer 1

For example, like this:
in the terminal.
Or in it, using a file with a script
Or make the script executable and use a shebang. Then just
./hello.rb

Answer 2