 7

 
  FTP

FTP (File Transfer Protocol,   )     
      Internet.  
FTP   1971 .    FTP   
    . FTP    
 ,       
.

FTP          -
 ,      
,       -
 ,     .

FTP     , ,  , 
    TCP. FTP    
  ,    
        -
 . FTP-    FTP- 
(. .     FTP-   
   ).   ,   -
        .

  FTP

    FTP   . 7.1, 
  :

 "User Interface"      FTP.

D "User-PI"     (User Protocol Interpre-
tator).     "Server-PI"   
     " "   "User-
"-,     -
   " ".