PART 3: Experiment with set -o: a. Set the option to prohibit file overwrite in your shell when you use redirection (> or >>).b. Set the option to export all variables in your shell. c. Set the option to notify you immediately when a job completes in the background. d. Use the set command to show these options are set and/or demonstrate with use of a command to show that these settings are workinge. TO HAND IN: Take a screen shot of the last 10 commands in your history for PART 3