1. What keys on the keyboard would I use to scroll back and forth through the commands I've previously issued from the terminal? (5 points) 2. If I typed "cd ~/Vi" at the command line in terminal (running under a default Mint installation), then hit the tab key, then hit the [return] key, what would happen? (5 points) 3. What command would I use to create the following nested directory structure: ~/Desktop/September/2015 4. In the nano editor, the key combination ^O does what? (5 points) 5. I'm in the directory '~/Desktop/September/2015/'. At the command prompt I type 'cd ../..' In what directory would I be now? (5 points) 6. I'm in ~. Give me the command that would use the ABSOLUTE path to change to the following directory: ~/Videos/one/two/three/four. (5 points: Don't have that directory? Then CREATE IT!) 7. My present working directory is ~. I want to delete all files in the ~/Videos/one/two/three/four directory that end with the extension '.docx'. What command would I run to do this? (5 points: Hints: 1) Create that directory; 2) create some *.docx files; 3) run a command to see if it works as expected!) 8. What command would I use to make a copy of the file "~/Bob" and name it '~/Videos/one/two/three/four/Bob2'. (5 points) 9. My present working directory is "~/Videos/one/two/three/four". Give me a command using a RELATIVE path that would take me to ~. (5 points) 10. This question is related to Question 9 above. Now I want to change back to directory '~/Videos/one/two/three/four'. What simple command would I use to do this? (5 points) 11. What command would I use to create the nested directories "~/hello/world/how/dare/you" (hint: Use a SINGLE command. See the man pages). (5 points) 12. I have a file called "bjork.txt" in the directory '~/bjork/bjork/bjork', which is my present working directory. I want to move the file "bjork.txt" to that directories parent directory (~/bjork/bjork). What command would I use to do this? (5 points) 13. What command would I use to display a big text file called "mybigfile.txt" to the screen so I could move through it a line or a page at a time? (5 points) 14. Root can update an Mint installation with the following command line: aptitude update && aptitude safe-upgrade What commands must a NON-ROOT user use in order to update their installation? (5 points) 15. What is the option for the 'ls' command that provides a directory listing hidden and non hidden files? (5 points) (Hint: Use the man page, and give me the ENTIRE command) 16. I want to move the file "~/Videos/one/two/three/four/Bob2" to my ~/Documents directory. What command would do this? (5 points) 17. My present working directory is ~. I want to rename the file ~/Pictures/film1.txt to ~/Photos/film2.txt. What command would do this? (5 points) 18. I'm in the following directory: ~/Desktop/September/2015/hello/world/how/dare/you. I type: 'cd ../../../../' then {return} at the command prompt. In what directory would I be then (give me the FULL path)? (5 points) 19. I have 24 files in the ~/Documents directory and I want to delete two them. I want to be prompted for removal for each file. What command would do this? (5 points: hint - use the man page) 20. My current working directory is ~. What command would I use to remove the empty directory "~/Videos/one/two/three/four"? I ONLY want to remove the 'four' directory, NO OTHER DIRECTORY. (5 points)