What is the command to change the hostname in Linux?

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Tags

1. #domain
2. #hostname
3. #current
4. #either
5. #correct
6. #setting
7. #commands
8. #sendmail
9. #apache
10. #command
11. #programs
12. #hence
13. #machine
14. #recommend
15. #hostnamectl
16. #display
17. #networking
18. #identify
19. #servers
20. #system