 7.     FTP_________________________255

SFTP-       ,
        , 
TFTP      ,  FTP.

SFTP    ,  -
,  ,   ,  
 .   ,   
  FTP-,    . SFTP 
 8-    ,   TFTP,  
     ,    .    TFTP,
SFTP   TCP,  115.

 SFTP  ,    -
  .      ASCII -
   ,     . -
        .  
     <NULL> ( '\0'   ,   -
   ). SFTP     
 11     4   (: "+"  ,
"-"  , "!"  , " "  ).

 SFTP       ,   -
  FTP.

     SFTP,  SFTP  "MIT-XX"
    .  "MKL" (
"foo")   SFTP-,    
   "PS"   "LIST F PS:",   
         "LIST V PS:".
        "Small.File"  -
 "RETR SMALL.FILE".        69  -
  .    SEND   .
  DONE  .

: S   SFTP, U:   SFTP.

S +MIT-XX SFTP Service

U USER MKL

S +MKL ok, send password

U PASS foo

S ! MKL logged in

U LIST F PS:

S +PS:

Small.File
0 LIST V
S +PS:

Small.File 1       69(7) P775240 2-Aug-94 20:08 MKL