Network File System Access-control list Richacls WebNFS File-system permissions DCache Nobody (username) Direct Access File System Amazon Elastic File System User identifier Group identifier IBM High Availability Cluster Multiprocessing Cloud Data Management Interface FreeBSD version history Gluster Unix File System Windows Services for UNIX ONTAP HP-UX OpenZFS Comparison of operating system kernels Apple File System HFS Plus Tomato (firmware) FreeBSD Oracle Solaris ZFS