Change group ID or name
groupmod command Change the group ID or name. When you need to change the group's identification code or name, you can use the groupmod command to accomplish this task.
groupmod(options)(parameters)
-g<Group ID>: Set the group ID to be used;
-o: reuse group identification code;
-n<new group name>: Set the group name to be used.
Group name: Specify the group name of the job to be modified.