a: a. This sort of system cannot exist b. Multi environment system c. A file base system d. Dual boot system Scripts 1. Write a script that counts only the files that you own 2. Write a script that removes duplicated lines from a file that the user selects. 3. Write a script that will ask the user to provide a potential name for a directory and will scan if there is an existing directory with that name and it will create one if none exists