1. This gives users a cartelization to be placed, and allows the admin to delegate roles to the groups without having to assign them to each user. 2. Create a group with something along the lines of Database admin, and give them the permissions needed to do their jobs. 3. Would use the command: su –c ‘chage –d 0 “admins account name”’ 4. su command is used for root access, this allows the user to run a process that needs admin rights. 5. pam.d to enforce authentication 6. This is where you setup your password policies. It contains things such as password min and max length and age limits. 7. Pass_min_day is the length of time that password can exist before it has to be changed. This is important to set to prevent a user from keeping the same password and protecting their user information. 8. The max day setting is used for the max amount of day you can have that password before it has to be changed. This setting is good for allowing the user to think of a new strong password or if they are lazy the last time they can wait to change this password. 9. This will apply to all accounts on this machine, or that use this machine to access the network/server. The next time you change the password on a existing account you will receive these warnings 10. First you would create the accounts for each users, and add each to a group they need to be in to get their jobs done. After this is complete, you would issue the command su –c ‘chage –E (YYYY-MM-DD) “username” this being for the 14days they will need access to the linux machine.