VFS_ACL_XATTR(8) (NAME) vfs_acl_xattr - NTFS-ACL (EAs) (SYNOPSIS) vfs objects = acl_xattr (DESCRIPTION) VFS samba(7) . NFS4 ACL POSIX ACL . . NFSv4 ACL . VFS NFS4 ACL . VFS vfs_acl_xattr (ACL) NTFS (EAs) . ACL ACL . NT ACL security.NTACL SID ACL . uid gid ACL SID NT ACL . getfattr -d filename . EA ( getfattr -n security.NTACL filename). : o inherit acls = true o dos filemode = true o force unknown acl user = true (stackable) . (OPTIONS) acl_xattr:security_acl_name = NAME (xattr) NTACL . xattr NTACL security.NTACL security.NTACL . user.NTACL . xattr SMB ( SSH NFS) xattr . ACL . acl_xattr:ignore system acls = [yes|no] yes (best effort) / POSIX ACL . no ACL NT ACL . ACL NFS . yes NT ACL . acl_xattr:ignore system acls yes : o create mask = 0666 o directory mask = 0777 o map archive = no o map hidden = no o map readonly = no o map system = no o store dos attributes = yes acl_xattr:default acl style = [posix|windows|everyone] ACL xattr security.NTACL . posix ACL POSIX ACE NT Authority\SYSTEM . windows ACL NT Authority\SYSTEM . everyone ACL (S-1-1-0) . posix . (AUTHOR) Andrew Tridgell . (Samba Team) . Samba 4.24.6 08/16/2026 VFS_ACL_XATTR(8)