PART $3$:$$ Experiment with set $-$o:

Set the option to prohibit file overwrite in your shell when you use redirection $(>$ or $>>).$

Set the option to export all variables in your shell.

Set the option to notify you immediately when a job completes in the background.

Use the set command to show these options are set and$/$or demonstrate with use of a command to show that these settings are working.

TO HAND IN:$$ Take a screen shot of the last $10$ commands in your history for PART $3.$