On 23/02/17 06:04, John R Pierce wrote: > on many modern file systems, larger directories are stored as some > sort of B-Tree or hash tree, so there's quite a lot of indexing data > in there along with the actual directory entries So I gather this depends on the file system. On my ext4 file system, I have a directory that has >2TB and the directory entry itself only shows: $ ls -ld Stuff drwxrwxr-x 146 akk akk 36864 Feb 21 21:18 Stuff/ $ du -bs Stuff 2093651427987 Stuff Not sure what to take away from that!