In CentOS operating system create a single-line command to execute the following task:

1. Create a new directory called Assignments
2. Create a file within Assignment directory called commands.txt while being in your home directory
3. Add this content inside commands.txt file: touch commands_copy.txt
4. Change the permissions to commands.txt file so only the owners can read, write, and execute.
5. Execute commands.txt
6. Display all your content inside your home directory and save them inside commands_copy.txt file
7. Display the content inside commands_copy.txt file from your home directory location
8. With a single command, delete the Assignments directory