Agreed with your comment and I'd like to extend it. It's worth pointing out here that every practical hello world program that I'm aware of invokes thousands o

Agreed with your comment and I'd like to extend it. It's worth pointing out here that every practical hello world program that I'm aware of invokes thousands of lines of library code beneath it (many years ago I was agog when looking at printf source code). Let's skip any talk of how python or ruby are only a few lines of code :) Maybe you are too smart for that, write it in assembly! Just a few opcodes and some other dark magic. Well then there's an operating system you invoke. But wait, even if you got around all of that, there are thousands of lines of RTL code that created your CPU, i.e. an entire and much more obscure library stack sitting beneath all of that. So yeah, you are sitting at some of level of abstraction in the technology stack, and your responsibility should just be a few lines of code ;) I am always blown away at how much leverage we have now (for example, am still just enamored with rails, regardless of any further refinements in the arena, it is still simply amazing to me), just compared to a few years ago, and it keeps getting more powerful.