ruby: Hello World exercise

Question

I know that my question is not a new one but I will be more specific hopefully to get a specific answer as well.

I am using:

• Ubuntu 11.10 --> (First time in my life though a virtual machine on windows vista)
• Tried to install rvm and Ruby --> (Went successfully but honestly i don't know were they are :D)
• Passed through vim tutorial
• Tried the Hello_World exercise as follows:

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

:! mkdir rubymonk
cd rubymonk
:e hello_world.rb
-------------------------
vim (insert mode)
puts "Hello World"
-------------------------
:wq

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

• Back to the Terminal
• typing: ruby hello_world.rb
• Got the usual error (ruby: No such file or directory -- hello_world.rb (LoadError)

Hopefully I can get an answer from you guys.

Answer 1

It looks like in vim you created the directory rubymonk, and then cd into it. But that was inside vim, so you need to do the same in your terminal:

cd rubymonk
ruby hello_world.rb