Tech quiz of the day from WhatIs.com: How much do you know about OpenBSD?

The WhatIs.com Word of the Day is OpenBSD.

Tech Trivia
What kind of computer was the Multix OS created for?
Answer

Secret Word of the Day
This term describes something unpleasant that tends to accumulate — like dust bunnies under your bed (or desk). In programming, it’s elements of a program, system or product that are useless, poorly designed or both. What’s the secret word?
Answer

IT Acronym Challenge
GNU stands for GNU’s not Unix — which makes it a special type of acronym. What kind of acronym is it?
Answer (Scroll to the end of the definition.)