7. Add an existing user to a group (a) Add the user you created in question 5 to the group you just created (5 points) gpasswd - a username groupname (b) Use a different function and perform 7.a) again (7 points) 7. Add an existing user to a group (a) Add the user you created in question 5 to the group you just created (5 points) gpasswd - a username groupname (b) Use a different function and perform 7.a) again (7 points)