sentence: maximum files per server : 16 million maximum directory entries : 16 million maximum volumes per server : 64 maximum volumes per partition : 8 maximum open files per server : 100,000 maximum directory tree depth : 100 levels characters used : ascii double-byte maximum extended attributes : 16 maximum data streams : 10 support for different name spaces : microsoft windows long names ( aka os/2 namespace ) , unix , apple macintosh support for restoring deleted files ( salvage ) support for journaling ( novell transaction tracking system aka tts ) support for block suballocation , starting in netware 4 .