Create a shell program which: 1. Called mynewshellscript.sh 2. Displays to the terminal the message "About to begin the program" 3. Displays the current working directory. 4. Displays the current user. 5. Creates an empty file called text.txt 6. Does the following 20 times: a. Tests if the file text.txt exists b. If the file exists i. Display the message "Going to delete the file text.txt" ii. Deletes the file text.txt c. If the file does not exist i. Display the message "Going to create the file text.txt" ii. Creates a file text.txt which is the output of the list command from the current directory 7. Displays the message "Ending the program".