1. Why would a Linux administrator want to use groups on a server?
2. What file contains a list of all the groups on your Linux server?
3. Can you tell all the groups a user belongs to in the /etc/passwd file?
4. What command would you use to add user gwashington to the wheel group?

5. What file could you look to see if a user has set their password? What would you look for?

Can you help me in this linux questions??