This is the full pathname to a script that will be run AS ROOT by smbd8 when a new group is requested. It will expand any %g to the group name passed. This script is only useful for installations using the Windows NT domain administration tools. The script is free to create a group with an arbitrary name to circumvent unix group name restrictions. In that case the script must print the numeric gid of the created group on stdout. /usr/sbin/groupadd %g