Task 0. Where am I? Task 1. What’s in there? Task 2. There is no place like home. Task 3. The long format Task 4. Hidden files Task 5. I love numbers Task 6. Welcome Task 7. Betty in my first directory Task 8. Bye bye Betty Task 9. Bye bye My first directory Task 10. Back to the future Task 11. Lists Task 12. File type Task 13. We are symbols, and inhabit symbols Task 14. Copy HTML files. Task 15. Let's move Task 16. Clean Emacs Task 17. Tree Task 18. Life is a series of commas, not periods Task 19. File type: School