How do I make multiple directories in Linux?

Related questions

1. What is the DIR command used for?
2. How do I create a directory in command prompt?
3. How do I delete empty folders?
4. How do you append a file in Linux?
5. How do you create a file in a directory in Linux?
6. How do I create a text file in a folder?
7. How do I create a .TXT file?

Tags

1. #prompt
2. #directory
3. #obviously
4. #names
5. #command
6. #press
7. #tells
8. #doesn
9. #mkdir
10. #multiple
11. #create
12. #subdirectories
13. #following
14. #first
15. #already
16. #exist
17. #change
18. #enter