The System is Ubuntu, or a similar Linux system.

Please show the commands you used and show screenshots.

1) Please describe the files used within the Linux login process in detail. Please list the files and explain what each does. 2) Please create a new alias for: a. Is -lart b. Is -la c. ps-ef more - please attach an image of the file(s) you created these in. 3) Please change all users within the home account so that the password must be changed every 30 days. 4) Please create an account called classAdmin that will be used as a 'service account' for an application. 5) Please write a script that launches the calculator program with the newly created account. a. Please allow the program to wait 5 minutes within a loop. b. During looping, find and kill the PID using the cut command. c. Must redirect the errors and output into a single file. d. Provide the script and an image of the working program that shows that the account for classAdmin is being used