correctly answered questions bring you one point, for wrong answers you lose one point. The answer "Don't know" is neutral.
To which operating system is GNU+Linux compatible?
What is the origin of GNU+Linux?
What has Linus Torvalds developed?
What is the mascot of Linux?
On what kind of machines is GNU+Linux running?
Does the system have a graphical user environments?
GNU+Linux and most of the software for it is "free software". What does that mean?
In which programming language are the basic elements of GNU+Linux written? (the kernel, and the GNU tools like bash, tar, gzip and so on)
Which of these programming languages do not exist for GNU+Linux?
Which kernel was created in the GNU project?