Disables the translation of the following terminal control
    characters in to TELNET protocol sequences:
    o  Interrupt
    o  Flush output
    o  Are You There
    o  Kill
    o  Erase
    o  Quit
    With LOCAL_CHARS disabled, the local host sends control
    characters to the remote host uninterpreted. They are interpreted
    by the remote host.
    Before you communicate in disabled mode, ensure that the remote
    and local hosts use the same control characters.
    Default: DISABLE LOCAL_CHARS
    DCL Format
      DISABLE LOCAL_CHARS
    UNIX Format
      toggle localchars