3.3. Challenge Environment variables Test your environment variables comprehension by completing the following tasks: 1. Execute the command that displays a list of environment variables 2. Echo the env. variable that displays the Path to the Working Directory 3. Export a CONFIG_DIR variable that holds an absolute path to the ~/workspace/config directory Once you have completed these tasks press the Check It button to have your solution assessed. Check It! LAST RUN on 1/31/2020, 7:51:21 PM chmod: cannot access /home/codio/workspace/.guides/bashtests/bashtest: No such file or directory [Error ] Task 2. Expected: Echo Path to the Working Directory env. variable. Try again