IBM Exam S1000-007 Topic 7 Question 57 Discussion

'The command to limit root user access to only members of the group called system is chadmin group=system root. This command will set the primary group of the root user to the system group, thereby limiting root user access to only members of that group. This command can be used to set any user's primary group, not just root.' The source of this information is the IBM AIX v7 Administrator Specialty Study Guide.