Linux Set GID
Using Set GID (SGID) on a directory will force all files created in that directory to inherit the same group permissions as the parent directory even if the user creating them primary or effective group is different. The benefit of this combined with the creation of a group on shared systems is that all files will be created owned and accessible (by default) to members of that group
#list available group groups chgrp <groupname> folder chmod g+s folder
Windows AD Groups
Please keep mind that both NFS and CIFS volumes for Locker require an AD group. If you need assistance in setting one up please contact your local unit support team or email us at firstname.lastname@example.org.