
,    .  
  ,   QNX Boot Sector (BS)  
/.
   ,  Qboot.exe.
      DOS
(Dead Operation System -  - ).
     ?  :
-  Master Boot Record (MBR)     "MBR",
-  MBR     ,
-       BS.

  :
Qboot.exe  operation block <drive>,

 operation :  'R'  'W' 	- /;
 block       :  'MBR'  'BS'          -   MBR/BS;
 drive        :  '0', '1',....                     -   (   hd0).

  -  "BS"  "BR".
   BS       Partition Table,
   .
    -    .
   .

 .

P.S.: .