        . 
,            
 .      ,   
   ,      -
  ,       
"Segmentation Fault" ( ).

      ,

         
,     (text section).

        -
  ,     {data section).

   ,  ,    -
,      
  bss1 (bss section).    (zero page, -
 ,  )    ,  
    , ,  
 .

   ,  ,   , -
        (
       ,   -
       ).

   ,   BSS   
,    libc   , 
    .

  ,     .

     .

     , , ,   

malloc ()2.

        -
        (  
).   ,       -
    : ,  , 
,      ..

 "BSS"      .   block started
by symbol (,   }.    -
   ,       .    -
   ,     
   (   ).    
(  )            ,
           
    .

2      glibc  malloc ()    
 (I,     brk ().

312                                                                    14