How long has Linux been around?

Related questions

1. Is Linux better for coding?
2. Why choose BSD Linux?
3. Which OS is better for programming?
4. Is lubuntu lighter than Xubuntu?
5. Which is the most user friendly Linux?
6. Is Xubuntu a Linux?
7. Is lubuntu faster than Xubuntu?
8. Who controls Linux?
9. Which is better lubuntu or Xubuntu?
10. Is lubuntu good for gaming?

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