Problem: Linux
1. Create three directories named letters, reports and assignments under your home directory
2. Move to directory letters
3. Create two directories named friendly and formal under letters directory
4. Move to directory reports using one command (directly from letters)
5. Create three directories called personal, business and school under the directory reports (use only one command)
6. Create a directory called UNIX under the assignments directory without moving from the reports directory
7. Create two directories called HWs and Projects under directory UNIX. The two directories in this step should be created without moving from the reports directory
8. Move to your home directory
9. Recursively list all of the directories you created.