6.2.6.5 GROUP name list-of-usernames
The GROUP line defines a group of users to be used in an EXCLUDE, EXCLUDEALL, INCLUDE, or INCLUDEALL line. Separate the usernames in the list by spaces. Multiple lines that specify the same GROUP name will have their lists of usernames concatenated.
Example:
GROUP engineers tom dick harry
Example - This example results in a group of six users:
GROUP engineers tom dick harry
GROUP engineers larry curly moe