HPFS Description...
Black Hacker, 2:5030/16.32

    ᯮ  ⮨⢠ HPFS  ⪠ FAT,    -
  ன⢮.  뢠 ᫥   ᪠   
ன⢥ HPFS   ᭮ 5 筨  讣 ᢮  ࠧࠡ-
  ᯫ樨 ࠧ FS 訫   쬮. ᫨  訡-
  뫮.   ᫥ ⥭ ⮣ ⥪  ᠬ 
஭ FAT ᬮ ᢮ ⭮襭  ⮩ ॢ襩 FS.

                               -  HPFS.

0. HPFS  ࠧࠡ⠭  ᯥ樠⠬ MS  IBM  ᭮  IBM  ᮧ
   䠩 ⥬ MVS,  VM/CMS  㠫쭮 ⮤ 㯠.   ⭮
     ஭ MS ஥⮬ 㪮 ⮩ ⥬騪 Gordon Letwin.

1.   HPFS   ᥪ 䨪஢ ࠧ (512   ⥪饩
   ॠ樨,   ⮬  ᥪ   ⢮   -
   ७    4-⮢  楫   -
    ᪨ ࠧ஬  (2**32 - 1) * 512 = 2 ࠡ.

2.  砫 ᪠ ᯮ ᪮쪮 ࠢ :

   1). 㧮 ᥪ DOS-᪮ .
   2). SuperBlock.  ন ଠ  ਨ ᪠, 㪠⥫  -
        ᢮ ࠭⢠,  㪠⥫  ୥ ⠫,  ࠧ
       ᪮ ,    ⠫, 㪠⥫  ᯨ᮪ ᡮ-
         ..
          SuperBlock  ᮤন   ᫥ ᪠ CHKDSK,   筮
        SuperBlock ⮫쪮 CHKDSK  FORMAT.
   3). SpareBlock.  ন 㪠⥫   HOTFIX-areas,   Fault-Tole-
       rance areas (⮫쪮 HPFS386 ᯮ Fault-Tolerance),    
        権   ९ ᪥  㣨 㪠⥫, 䫠 
       ਯ.
   4).  砫쭮 㧪.
   5).  ᥪ஢ ᯮ㥬 (६)  믮 権 -
        ⥫ ᪮ .    ਬ,  
         २ 䠩   ᪥.
   6). 㣨 .

3.  । ᢮ ᥪ   HPFS ᯮ ⬠  -
      ᮮ⢥  ᥪ.  ᫨  ᮤন 1   
   砥  ᥪ ,   ᢮. ᫨      
   ⮫쪮  ⬠    窨 室  ६  
   ⥭/   । १  ᪠.  ⮡  ⮣ HPFS
   ࠧ   "" (Bands)   8   ࠭  ⬠
   ᢮ ᥪ஢  砫    .  ⮬ ⬠ -
   ᥤ  ᯮ 冷:

      +--------- 16MB --------+    *** - Use/Free sector bitmap.
      !                       !
   +--!-----------+-----------!--+--------------+--------------+
   !***   0 !  1  ***!***   2 !  3  ***!
   +--------------+--------------+--------------+--------------+
   0MB           8MB           16MB           24MB           32MB

    ⮣ ᫥  ﭨ   ⬠ ࠢ 16MB.  
 (8MB)     ᫥  HPFS ..      
 燐.  HPFS । ࠧ   ⥭ ࠢ 
 ᪠  ६ 믮 樨 FSHelperAttach.

    ࠧ ⬠ ࠢ 2K. (8MB/512/8 = 2K).

    室  業 ᪠ ᯮ    ࠭  ⠫.
  뢠 Directory Band.  ᫨  㤥  -
 HPFS 筥 ᯮ ⠫ 䠩  㣨 .

4.   ⠫  HPFS   㭤⠫쭮 ꥪ  뢠
   F-Node.   FNode   ᥪ  ᥣ ᯮ HPFS-
     ᢮ 䠩  ⠫.  (筮  ।⢥  ।
   䠩    ⠫).  FNode ᮤন    15 ᨬ 
   䠩, ⨪    䠩, -HPFS- ଠ, -
   ७ ਡ  ACL ( ⮫쪮 , ᫨  祭 訥), -
   ⨢ ଠ  ᯮ  稭 䠩  ..

      䠩  ⠫   ⠭ (  )    
   ॢ  260  ᨬ,   ⮬      
    255 ᨬ.    䠩  ⨬ ᨬ: 0h-31h, 7Fh,
   "/",  "|", "\", "*", "?", '"', "<", ">". ᫥⥫쭮  -
    , ᫨   䠩 ⮨ 窠   ⮦ -
    ( ᮢ⨬ Soft-).   䠩 窠 ⠪  ᨬ
     ⠫.  ᪨ 㪢 ࠡ ଠ쭮.    ᮧ  䠩
   HPFS    ᠭ    ,     ࠧ砥 ॣ஢ 
   쭥 , ஬ ,   ଠ  䠩.

   ਬ :

      1. "FILE.ASM"
      2. " .ASM.OBJ.EXE"
      3  "   䠩 . TXT"

5.  窨 ७ ࠧ饭 䠩, ⠫   ७ ਡ (᫨
          FNode) ᬠਢ HPFS   ⥭⮢.
        MVS  CMS : ⥭  ᮪ 䠩 騩
     ᫥⥫  ᥪ.   ⥭ 뢠  ᫠:
   ஬ ࢮ ᥪ   ( ᥪ).   ᫥⥫ -
   ⥭  ᥣ ꥤ HPFS  .   ࠧ ⥭ 
   ᥪ.    ﭨ  ᥤ ⬠ ᢮  ᥪ஢
   ࠢ 16MB   ࠧ ᨬ쭮 ⥭ ࠢ 16MB.  ᫨ 䠩 -
   ⮨  쬨   ⥭⮢,   ᠭ  楫  ࠭  
   FNode.

6. ᫨ 䠩 ⮨  祬  쬨 ⥭⮢   ᠭ  -
    ᪮쪮 ᥪ஢ ᯮ    䠩,    ⮬  
   ᥪ ᮤঠ  ᯨ᮪,  ⮥ ᡠ஢ ॢ ⥭⮢.
   (B+-Tree).  ॢ ஥ ⠪,   ࠧ஢   -
   蠥  1/3   ꥬ,     ⫨砥  ⨬쭮  祬 
    ஢.  ( B*/B+-ॢ ⠩     -). -
   ७  ॢ  室  FNode,  祬  ᮤঠ  12 ⮢.
    ⥫ ᥪ ।⠢騩 ᮡ   ॢ  ᮤন
    60 ⮢   - 40 ⮢.  ࠧ ᫨ 䠩 ⮨ 
   ⥭⮢   ᥪ (⮣   㤥 !)   ࠧ 2GB
      ᠭ ॡ ॢ ᫥饩 :  12*60*60*60*40
   .. 53MB 쥢  1.7MB ⮪.  砩 㯠    䠩-
       ⮬ ॡ ( 襬 砥) 5 権 ⥭ ࠢ
   .

    䠩   - ⥭⮢.

7. ᨬ ࠧ 䠩  HPFS ᥩ 4GB  (  2GB  ???),    
   ᫮  ⮫쪮 ࠧ஬   ࠧ 䠩  䠩 㪠⥫ (4
   ,  ॣ)  ᠬ OS/2   API.   । ᠬ HPFS. 
       HPFS  ⨥ ,  䠩   1,
   2, 3, 4   㣮 ⢮ ᥪ஢.

8.  ᮧ/७ 䠩 HPFS  ⠥  ஢  ⢮
   ⥭⮢,  ᯮ  ⮣ ⨪,  ⬠ ᢮ ᥪ஢ 
    100 ⮤. ਬ, HPFS ࠥ ᫮ १ࢨ஢   4
       䠩  . 㣮 ਥ: ᯮ
   ७⭮  䠩  䠩    ࠧ묨  楯窠  
   ᠬ  ࠧ  ᪠.

9. ⠫    HPFS    FAT ࠧ ॢ .    ⮬
    ⠫ HPFS ந ᡠ஢ ॢ (B*-Tree)    ᭮
    䠩  ண ᪠ 䠩    ⠫.   ᫨
   ⠫ ᮤন 4096 䠩 FAT 㤥   ।  64  ᥪ  
   ᪠ 䠩  ⠫, HPFS ⠥ 2-4 ᥪ   䠩.
        ନ  뤥 ⠫ ࠢ 2KB  ⥪饩
   ᨨ HPFS.   뢠饩 䠩   ࠧ  䠩-
   .  ᫨   13 ⮢ (8.3<0h>)  2-⮢  頥
   41  ⥫  䠩.    ᯨ᪮ (  ⥫ ⥭⮢)
    祭 ᫥⥫쭮 室.
     HPFS    FAT-᪨ ஡ "⥪" ᪮ ࠭⢠ 
   㤠 讣 ⢠ 䠩  ⠫.
      २ 䠩   ॡ஢ ॢ.  
     ॡ 뤥 ⥫   
   ᪥.   ⮬ 砥    ᯥ樠쭮 㫠 㪠⥫  -
      SpareBlock.

A. ७ ਡ   ࠧ ACL (Access Control  Lists)  HPFS
   ࠭  FNode. ᫨     FNode HPFS ࠭    䠩
   ந  ⮣ B+-Tree.  ७ ਡ⮢ ᪮쪮  -
   ⭮ ( HPFS386  LS 4.0 ???)  ࠨ  B-Tree.

                      ᪨  ⮫쥢.

