Question: Create a Shared Directory /home/admins, make it has the following characteristics:
          /home/admins belongs to group admingrp
          This directory can be read/write by members of group adminuser. Any files created in /home/ admin, group automatically set as adminuser.
          And others do not have any other permissions on the directory.
          
Solution:

mkdir -p /home/admins

chown :admingrp /home/admins

chmod 2770 /home/admins
