This defines a group of users for use with the different options in the Options file.
GROUP group_name user_list
Name of the group to exclude. Group names are case sensitive.
List of user names in the group. Names are case sensitive and cannot contain spaces.
To create a large user group, define several GROUP lines, each containing up to the maximum of 4,000 characters. All the users will be placed in a single group: Multiple GROUP lines for the same group name add all the specified users into the group.
To define the group test consisting of adam, steve, michael:
GROUP test adam steve michael