[there]

     Do you really want to do this (y/n)?

i would rather see this as

     Do you really want to do this (y/N)?

capitalize the option that will be used by default if you hit enter with no other input.

[fnl]

I absolutely agree - and not only does the article barley scratch what is Unix standard anyways, and the more tricky questions such as piping, exit and error states, or the environment are left out. Kind of disappointing, in my opinion.

[killerswan]

I'm also used to seeing Do you want to do this? [n]: