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Re: Why the telnet output looks different?

 
Chua Wen Ching
Regular Advisor

Why the telnet output looks different?

I had some problem with the output that i received when i open the microsoft builtin telnet and Qvt Term 5.1. Please view the attachment for the difference. I believe because maybe Qvt Term is pointing to vt100. So in microsoft telnet i set term vt100, also in the unix i type TERM=vt100 then export $TERM. But it still cannot work. I am using windows xp but i remember that in windows 98 users can change the telnet properties. Can it be done for windows 2000 or windows xp. My college is using HP-UX 10.20. Thank you.
wenching
3 REPLIES 3
harry d brown jr
Honored Contributor

Re: Why the telnet output looks different?


Did you tell your telnet to use vt100 ??? Telling the system is one thing, telling the PC what terminal emulation to use is another.

What are the colleges plans to upgrade before 6/30/2003 ??


live free or die
harry
Live Free or Die
Bill Hassell
Honored Contributor

Re: Why the telnet output looks different?

Your problem is with the application program. It apparently expects a line drawing set to be installed in the terminal. There are no ASCII characters that produce the lines shown in the example. Therefore, your HP-UX program is sending some special escape sequence (or the ASCII shift-out and shifty-in characters) to turn on these characters, and the terminal emulator you are using simply doesn't have any method to handle them--so it puts out the letters that make up these line drawing elements.

The terminal emulators built into Windows are true vt100 emulators. The vt100 designation means the DEC VT100 terminal, circa 1970's and special characters were never a part of that original design. Your program should have specified a list of compatible terminals and emulators. If this is a home-grown program using the Curses library, when you make a call to the library, ALWAYS check for an error exit. If you are using a script and tput, always check the error return from tput. Also use the untic command to see what a particular terminal has available:

untic vt100


Bill Hassell, sysadmin
Chua Wen Ching
Regular Advisor

Re: Why the telnet output looks different?

I tried to use untic vt100...i saw a long of arguments. Actually what is tic and untic for? Can i do curses with untic command? So it means that it is impossible for me to use windows xp microsoft telnet to view the lines? What is circa 1970 for? Anyway thanks for your help.
wenching