 5

 
  NNTP

NNTP (Network News Transport Protocol,   )
      
USENET.

NNTP     .    -
   (, TCP/IP)   
   UseNet   -.

    Internet    ,  -
     ,   UUCP
(UNIX to UNIX Copy).       ,   -
        
NNTP.

 UseNet

Internet-       -
, ,    .   -
      "news". 
     "newsgroups".   
  ,      -
, , , , , ,   . 
         , , 
 ,     .  
       
 .

 , ,     (recreation),
        , 
 rec.arts, rec.games, rec.pets, rec.sports, rec.travel  . .   -
, , rec.pets,  ,   ,   