                     
                   

    ⠫ (筮) ன⢮  ⥬ iS-DOS  ᯮ
  ᪠, ⠪   ⥫쭮   (.. "
").  㦡 (஢ DUD.SYS)   ࠧ稩  
(⮭ﬨ   ஢ DOS.SYS  ࠩ). ..  窨 ७
DUD.SYS 筮 ன⢮ ।⠢ ᮡ   (ࠧ஬ 256
)  ࠬ  0   ᨬ쭮.  0-  室
 ⮬ (.  1).   㪠 ࠧ ன⢠,
 ଠ  ࠩ  뫪   ⠫ ன⢠
( 80-஦筮 ஭ ᪠  筮 3- ).  ⠫
 iS-DOS,   , ।⠢ ᮡ   䠩. 
 iS-DOS -   o, ᯮ  ன⢥ 
(뢭 䠩)  騥  ᪮쪨 ( 1  85) 뢭
⪮ ("ᥣ⮢"). ஢ 䠩   ᢮ 32-⮢
⥫, 饬  ⠫ 뫪  ᯥ樠 , 뢠騩
ᥣ  䠩. 0-  ⮣  ᮤন ᫮ ᥣ⮢
䠩. ⠫ 255  ᬠਢ  85 3-⮢ ᥩ, 
  뢠 1 ᥣ 䠩.  2   -  0-
 (  ன⢥) ᥣ,  ᫥   - ࠧ
ᥣ  .  0-    ﬨ  ⥫
ᥣ⮢.  ᥣ஢ 䠩     ᪮쪮 
砫  । (     筮  ),  ⠪ 㤠
. 뢭  䠩  ⠫  ⮫쪮 㪮稢 (楤ன
ecut(#32)),     - ॥. ᫨  ࠢ ᯮ짮
⠫,    뢭  㦭 ࠧ. 32-⮢
⥫ 䠩 ᯮ  䠩 ⠫   8 ᥩ  .
⠫ - ⮦ 䠩,    2 ⥫ (஬  ⠫
ன⢠,  ண  ⮫쪮 1: ७): 譨,   襬  ⠫,
 ७ - 0- 䠩  ᠬ  ⠫.   ଠ  ࠧ,
⢥ 䠩, ஢  ࠭  ७ ⥫.
   ⥫ 㦠    ⨨ ⠫ 楤ࠬ
open1(#21)  fopen(#25). ⠫,     䠩,   뢭
 ᥣ஢.  ࢮ 砥   ⠫ 䠩 
। (8 䠩  )   㤮⢨  ᮮ饭 
訡   105. ணࠬ rename.com   ࠭ 㤮⢮.
஢ ⠫    䠩 ᠬ 㢥  㦭
ࠧ. । 㤥  ࠭祭  128 䠩  ⠫, 맢
᪮쪮 ᪮묨 ࠧࠬ  ZX-Spectrum,  ,  
,    ᮧ ⠫  6-
஢ . ९  ⥫ ᥣ⮢ 䠩 (訡 94) -
  ⭠ ,  ன    ᪮஫쭮
  㤠   䠩 让 ( 85 ) . 
   䠩  譥 ᥣ஢ 䠩 
ࠢ,   䠩  ᪮쪮  ࠧ,  㤠  譥
 砭 ࠡ祣 .  , ਬ, ணࠬ prt.com 
  䠩,   䠩  5 . ᫨   ணࠬ 
  । 䠩,   ਬ edit.com,  室    
ਮ᪮ ஢ 䠩  ࠧ 讣 䠩  ᪮쪮
.   쪮 㤮⢮   ⥫ ᥣ 讣:
楤 crfil(#23)  crf__(#3B)  訩  , ᫥ 祣
 ᫮  䠩 㣫 訥 2 .  १ 室
 ᬮ  䠩   0  65280  (255 ).  
 ᯮ짮 楤ࠬ  fadd(#2F)  eadd(#31).
 १  娭権   䠩  21675  
(5548800 ),   6  譨 ࠧ ॢ蠥 ⨬ ᪥. ᫨ 
   - 稭  ࠨ,    
 - ᪠ (䠩 device.sys,  1,2). 1   , 0- 
᪠ ᮮ⢥ 7-  0-  1-  device.sys,  1-  -
6- , 8-  - 7-  1-   ..

                            
                          

      ⠫    䠩,  ࠢ, device.sys. ⮡  
롨ࠫ  ᪥, ⬥⪥  ..   ॣ ﭨ   .
..  , 饭   த   ⠫.   室
 ⮬  -  ⮬. . 짮⥫ 砥   
१ 䠩.  䠩  楤ன find(#34),  楤ன fopen(#25) 
騬   楤ࠬ ஢ COM   砥 짮 
४. ᫨  㧮,    ⠫ 易
⢮   䠩, 饭  ࠧ: boot.sys.  ⠪
ᮧ  樠樨 ⮬ ணࠬ format.com  create.com.  
ணࠬ BOOT.com ࠧ頥 稪 ⥬.  㧮筮  ᪥ ⠪
 室 䠩 ????_dos.sys, ।⠢騩 ᮡ 㦥  
   ⥬ iS-DOS. ࠭  ᪥ ந ணࠬ
sv.com. ਬ: sv smal. ணࠬ SV   饭 ᮧ 䠩
smal_dos.sys  ⥪饬 ⠫. ⮡ ⥬ 㦠   ⮣
䠩, 室 ᮥ  䠩  ⮬ ணࠬ CON.com: con smal.
 㧪 ந室 ⮧  䠩 S:autoexec.bat. 
⥬ ᪥ 室 稥 䠩 S:extent.txt, ।饣
⢨ ⥬  ᨬ  ७ 䠩  ⨨  Enter
 ⮬ 䠩.  易⥫쭮 稥 ⠫ S:SHELL  䠩 extkey.txt,
extview.txt  extprint.txt, । ⢨ ⥬ (ண ,
஢ SHELL)  ࠡ⪥      <6> - "VIEW"  <H>
- "HARDCOPY"  ᨬ  ७ 䠩.  䠩   ᪥ Q -
"quick", .. "஬" ᪥.  ࠧ㬭  ஭ , ᫨ 
  ⥫쭠   ᮮ⢥騩 ࠩ.  ࠡ
। 室 ⠫ Q:EDIT  ᥬ 㦭묨 । 䠩. ઠ
 ⥬  ࠭᫨஢ ஢ DOS.sys, DUD.sys, COM.sys,
TWIND.sys, SHELL.sys  筮 ࠩ SYS_DRIV.drv ந ணࠬ
CONFIGUR.com  SHELL.com  ⠫ Q:SYSTEM  Q:SYSTEM\INI  ⥪⮢
䠩 ????_dos.txt.  ⠫ ணࠬ  ᯮ  ᨬ
  짮⥫.
