Is Red Hat subscription mandatory?

Related questions

1. Is Red Hat profitable?
2. Is redhat free for personal use?
3. Can you download Red Hat for free?
4. What exactly does Red Hat do?
5. Which is better Gnome or KDE?
6. Is Red Hat Linux free?
7. What is difference between Linux and CentOS?
8. Is CentOS free for commercial use?
9. Is CentOS and Redhat the same?
10. What Linux is RedHat based on?

Tags

1. #required
2. #products
3. #support
4. #environment
5. #their
6. #maintain
7. #customer
8. #still
9. #subscriptions
10. #purchase
11. #instance
12. #technical
13. #subscription
14. #enterprise
15. #active
16. #product
17. #additional
18. #however
19. #customers