What does D mean Linux?

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Tags

1. #linux
2. #character
3. #field
4. #there
5. #which
6. #could
7. #display
8. #device
9. #following
10. #first
11. #letters
12. #special
13. #designator
14. #means
15. #directory
16. #exist
17. #regular
18. #possible
19. #files