260_________________________________________ Internet

        -
,          -
    ,      -
       .
      -
     .
      -
,       -
         -
  .

       ( -
)    . ,  "WILL XXX" 
    ,    -
 "XXX".  "DO XXX"  "DON'T XXX"  -
    .    -
 "DO XXX" ,     
   "XXX".   -
    , ,  "WILL XXX" 
"WON'T XXX".

3.     .

    -   -
   .

    NVT

NVT (Network Virtual Terminal,   ) -
        7- USASCII-. 
      -
       NVT.  NVT  
  " "     "
" ( , " "  ).

^)

,      "echo",  ,   
  NVT-,        -
,    NVT-  .

     NVT-    -
     .

 NVT-  ,      
      95 USASCII- ( 32  126).