What is equivalent of 644 access permission permission?

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Tags

1. #settings
2. #permissions
3. #executable
4. #correspond
5. #group
6. #permission
7. #members
8. #write
9. #other
10. #execution
11. #would
12. #files
13. #which
14. #except
15. #access
16. #users
17. #system
18. #owner
19. #while
20. #equivalent