PRACTICE 1 — NAVIGATION
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1. Where are you right now?
2. List the visible files and folders.
3. List everything, including hidden items.
4. Enter secret_lab.
5. Enter level_one, then level_two.
6. Move back up one directory without typing the full path.
7. From level_one, open the clue inside sibling_room using a relative path.
8. Return to practice_1_navigation.
9. Find the hidden message in this folder.
