Trusted Extensions recommends the use of roles for administration. Make sure that you know who is performing which set of duties at your site. The following are common roles:
root role – Is used primarily to prevent direct login by superuser.
Security Administrator role – Performs security-relevant tasks, such as authorizing device allocation, assigning rights profiles, and evaluating software programs.
System Administrator role – Performs standard system management tasks, such as creating users, setting up home directories, and installing software programs.
Operator role – Performs system backups, manages printers, and mounts removable media.