Board Thread:Tutorials/@comment-101.160.201.42-20140408150517/@comment-24820166-20140415154148

If you mean print in the editor, then you are in Tekkit or Tekkit Lite, not tekkit classic.

If you see print("[words]") it is a lua function that prints the words between the "" on the screen.

Look at the computercraft section on this wiki for more and better explanations.