This is just a reminder to myself of how to create a shared group directory. More information can be found here.
mkdir shared chgrp somegroup shared # make new files and subdirectories inherit the group ID chmod g+s shared #setfacl -d -m u::rwx,g::rwx,o::--- shared # give group members default rwx access setfacl -d -m g:somegroup:rwx shared # check the permissions getfacl shared