• [SOLVED] chown, multiple users and a (hopefully shared) partition - Page 2
  in Public bookmarks with sharingdataacl
• Geek Thoughts
  Shared Folders in Ubuntu with setgid and ACL
  in Public bookmarks with acltutorial sharingdataacl
• linux
  Can I override my umask using ACLs to make all files created in a given directory world readable? - Server Fault
  in Public bookmarks with sharingdataacl

sharingdataacl from all users