VMS Help TN3270, Examples  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    1.$ TN3270 MYCOM

      Establishes a TELNET connection to remote host MYCOM. By
      default, the physical terminal functions as an IBM-3278-2 model
      terminal.

    2.$ TN3270 130.180.5.5 /TERMINAL_TYPE=IBM-3278-3 -
      _$ /KEY_DEFINITIONS=MY_NUMPAD.FIL

      Establishes a TELNET connection to the host at IP address
      130.180.5.5. The terminal functions as if it were an IBM-3278-3
      model terminal, and it uses the customized keyboard definition
      file MY_NUMPAD.FIL.

    3.$ TN3270 UCOM 31 /TERMINAL_TYPE=IBM-3278-5 /PRINTER=LOG

      Establishes a TELNET connection to remote host ucom:

      o  The connection is at port 31 on ucom.

      o  The terminal is functioning as if it were an IBM-3278-5
         model terminal.

      o  During the session at ucom, using the PRINT function records
         the screen's contents in a file named LOG.LIS.