    (directory).    , 
     .    -
.             (path).
      (directory entry). 
 "/home/wolfman/foo".   "/",  home  wolfman, a
  foo    ,   dentry.  -
  Unix     ,  -
    .       
    ,        ,
   .

Unix-        -
    ( , , ,    ..).
      (file metadata), .. -
  ,        , 
  (inode).     index node (
),      "inode"   .

  ,         -
     (superblock).    ,
       .    -
    .    -
          .

    Unix     -
 ,       .
,      ,    ,
  ,      -
     ..  VFS  
Linux      ,   
 .  Unix-  ,   FAT 
NTFS,     Linux,      
  . ,     -
   ,       
   ,  ,    .
        , 
VFS      .    
    Unix     ,
    Unix   VFS.    -
 ,      .

268  12