$ ./ex018.py September 6, 2016
cd it117
cd ex
mkdir ex18
ls
cd it117/ex/ex18
chmod 755 ex18.py
cp /home/ghoffman/course_files/it117_files/data.txt .
./ex18.py
$ ./ex018.py September 6, 2016
~ghoffman/it117_test/ex18.shThe script will prompt you for your Unix username.