何だこのどっと

Linux

自宅のサーバーのメンテナンスをしていたら…何これ?

$ ls -lad public_html*
drwxrwxr-x  83 elf elf 4096 2010-05-25 21:17 public_html/
drwxrwxr-x.  4 elf elf 4096 2010-05-25 21:17 public_html_/

「drwxrwxr-x.」ってなにこれ?

$ stat public_html*
  File: `public_html'
  Size: 4096            Blocks: 8          IO Block: 32768  ディレクトリ
Device: 13h/19d Inode: 29648721    Links: 83
Access: (0775/drwxrwxr-x)  Uid: (10000/     elf)   Gid: (10000/     elf)
Access: 2010-05-25 14:35:23.205212173 +0900
Modify: 2010-05-25 21:17:59.323161110 +0900
Change: 2010-05-25 21:17:59.323161110 +0900
  File: `public_html_'
  Size: 4096            Blocks: 16         IO Block: 4096   ディレクトリ
Device: 807h/2055d      Inode: 13009107    Links: 4
Access: (0775/drwxrwxr-x)  Uid: (10000/     elf)   Gid: (10000/     elf)
Access: 2010-05-25 21:16:04.000000000 +0900
Modify: 2010-05-25 21:17:59.000000000 +0900
Change: 2010-05-25 21:18:28.000000000 +0900

おしえて誰か!!