minor question of the difference between " and '

[pineapple via Digitalmars-d-learn]

On Wednesday, 10 August 2016 at 23:32:54 UTC, WhatMeWorry wrote:
> Afterall, isn't that the definition of a string?  So what's up 
> with the two groupings of single quotes?

http://www.howtogeek.com/howto/29980/whats-the-difference-between-single-and-double-quotes-in-the-bash-shell/