1)Super user / root user
- When you are a root user you will see this on terminal - [root@hostname ~]#
- '#' denotes that you are a root user.
- root user has all the privilages i.e read , write , execute permission on files/directories by default.
2)Local user
- When you are a local user you will see this on your terminal- [username@hostname ~]$
- '$' denotes that you are a local user.
- Local users are created by root user
- Local user have limited access permission on files/directories .
3)System users
- These users are created automatically at the time of system configuration.
- These are non - login users .