How do I run a file in Linux?

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Tags

1. #denied
2. #first
3. #permission
4. #error
5. #appears
6. #message
7. #executable
8. #terminal
9. #chmod
10. #system
11. #admin
12. #changes
13. #careful
14. #problem
15. #including
16. #critical
17. #command
18. #execute
19. #allows