Using SET command user can change TELNET control characters to the specified
  character.

  FORMAT:
   SET option

  OPTIONS:
   AYT, ESCAPE, ERASE, ECHO, KILL, FLUSHOUTPUT, INTERRUPT, MODE

  ULTRIX EQUIVALENT COMMAND:
   set

Additional information available:

AYTESCAPEERASEECHOKILLFLUSHOUTPUT
INTERRUPTMODE

  Set the TELNET Are Your There character to specified character.
  Default AYT character is CTRL/T.

  FORMAT:
   SET AYT CHAR

  EXAMPLE:
   SET AYT  "^A"

  Set the TELNET escape character to specified character.
  Default escape character is "^]".  Control character may
  be specified.

  FORMAT:
   SET ESCAPE CHAR

  EXAMPLE:
   SET ESCAPE  "^X"

  Sets the TELNET erase character to the specified character.
  Control characters may be specified.  Default is DEL.

  FORMAT:
   SET ERASE CHAR

  EXAMPLE:
   SET ERASE  "^N"

  Sets the TELNET echo character to the specified character.
  Control characters may be specified.  Default is CTRL/R

  FORMAT:
   SET ECHO char

  EXAMPLE:
   SET ECHO "^B"

  Sets the TELNET kill character to the specified character.
  Control character may be specified. Default is CTRL/U.

  FORMAT:
   SET KILL char

  EXAMPLE:
   SET KILL "^K"

  Sets the TELNET flushoutput character to the specified character.
  Control character may be specified. Default is CTRL/O.

  FORMAT:
   SET FLUSHOUTPUT char

  EXAMPLE:
   SET FLUSHOUTPUT "^F"

  Sets the TELNET interrupt character to the specified character.
  Control character may be specified. Default is CTRL/C.

  FORMAT:
   SET INTERRUPT char

  EXAMPLE:
   SET INTERRUPT "^I"

  Sets the TELNET data transmission mode to specified mode.
  TELNET has two modes.  Line-by-line mode and Character-at
  a-time mode.  Character-at-a-time mode is the default mode.

  FORMAT:
   SET MODE mode-name

  EXAMPLE:
   SET MODE CHAR
   SET MODE LINE