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What was your very first GNU/Linux distribution?

I still remember the day my older brother visited me at home when I was around 12 years old. Windows was the only operating system I knew back then. He knew I was really into computers and video games, so he brought with him a live CD of Knoppix and showed me how to boot the complete operating system from the CD. And that is how my adventure with GNU/Linux began.

What was your first GNU/Linux distribution?