You've installed every major Linux distribution on every major brand of hardware. You even carry a USB stick loaded with Linux in your front pocket. For you, the Year of the Linux Desktop was 1996. But how much do you really know about the free OS? Test your mettle with these 20 questions designed to separate the newbies from the seasoned operators. Who knows? You might learn something.
1. Which of the following companies has never offered its own branded version of Linux?
b. The SCO Group
d. Sun Microsystems
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