Open source has emerged as one of the most important trends in the software industry, but myths and misconceptions about free and open source software still abound. How well do you understand the world of open source software? Take our 20-question quiz to find out, but be careful -- some of the answers might surprise you.
1. "Share and share alike" is an oft-cited tenet of the free software movement. How much money are you allowed to charge for distributing software that is licensed under the Gnu General Public License (GPL)?
a. Nothing; GPL-licensed programs are always free software
b. A "reasonable amount" to cover the costs of distribution (media, postage, and so on)
c. Up to $250 per copy of the program
d. As much as you want
Take the InfoWorld Open Source IQ test
IT personality type quiz
Find out which of our eight classic profiles in geekdom best suits your IT temperament
Mobile tech IQ test
How much do you really know about smartphone tech past and present?
The 2009 Geek IQ Test
It has been said that geekdom cannot be strictly quantified. Here are 20 questions to prove that adage wrong
Programming IQ test: Round 2
Acing last year's quiz was nothing. Only true hacker heroes will survive Round 2
Apple IQ test
How much do you really know about the house that Jobs built?
Linux admin IQ test
How much do you really know about the free OS?