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I have configured a telnet server in a Windows Server 2008 Host Computer. (I use W2008 because I'm running a 16 bit DOS application, and only Windows 2008 made its installation successful)

I successfully connected to the server via my Windows 10 telnet client. But when I want to change the keyboard language in french (AZERTY), I use this command:

kb16 fr

It works well. To understand what is kb16: MS-DOS and Windows command line keyb command [Computer Hope]

But it suddenly changed the style of the command prompt, and I saw that it's no more CMD.EXE style but COMMAND.COM style. Here a screenshot:
<code>kbd</code> screenshot

So why is that a problem to me? With AZERTY, I need to use Alt Gr touch for example to have the backslash (Alt Gr 8). But when I try Alt Gr 8 on that COMMAND.COM, it gives me _.

Even ALT+92 command doesn't work.

Do you know how to fix this?

EDIT: I'm opening Windows Server 2008 with VirtualBox, and it's hosting my telnet server. The COMMAND.COM comes from that Windows Server 2008. I don't know why but there are two types of Command Prompt, see this screen:
<code>cmd</code> screenshot

And I tried your command, the EXIT command worked ! Here the screen:
<code>exit</code> screenshot

EDIT 2: I tried the chcp command. My code is 850. So I do chcp 850 to set the page code to 850.

When I do exit and I write chcp
The COMMAND.COM is indeed set to page code 850. So I can \\\\ in the COMMAND.COM. But when I run my 16-bit DOS application, it doesn't take effect.

But I ran a Windows 10 32 bits server and run my 16-bit application, and I meet no problems with the \ when I put ALT+92. So it should normally work...

aschipfl
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Kenichi-san
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  • Please don't link to external images, upload them by [edit]ing your question and using the *Image * (*Ctrl+G*) button! Anyway, what you see are [short filenames](https://en.wikipedia.org/wiki/8.3_filename). By the way: what's `kb16`? – aschipfl Jul 16 '19 at 15:17
  • Edited. Kb16 is a command for MS-DOS to set keyboard language. Here a link to see the reference : https://www.computerhope.com/keybhlp.htm For example, doing kb16 fr will set french keyboard (Azerty). – Kenichi-san Jul 16 '19 at 15:20
  • So `kb16` is the same as `keyb`? I read up-to-date Windows versions in your question, so I have no clue where `COMMAND.COM` should come from; have you tried to type `quit` or `bye`? what happens then? – aschipfl Jul 16 '19 at 15:39
  • I've edited the question to demonstrate what I meant with my initial comment concerning the screenshot images. Concerning your first edit: my soggestion of `quit` and `bye` was intended to find out whether you really are in the Windows Command Prompt (`cmd`) or in some other console, but apparently you are. – aschipfl Jul 17 '19 at 12:23
  • Concerning the snapshots of the `cmd` property windows: the left window shows the properties of `cmd.exe` while the right one shows those of a **link** (`.lnk`) to `cmd.exe`; switch to the *Shortcut* tab to view the properties of the link target `cmd.exe`; anyway, both show Windows Command Prompt but **not an MS-DOS `COMMAND:COM` console**! – aschipfl Jul 17 '19 at 12:24
  • Thank you for the explanations, I see now, i was wrong indeed. It still doesn't explain the problem, but have a look at this screenshot please. In `cmd` I wrote `dir %windir%\System32\*.com` I have this : http://image.noelshack.com/fichiers/2019/29/3/1563366772-screen.jpg (I meet problems editing my post) – Kenichi-san Jul 17 '19 at 12:34
  • I think the problem comes from telnet. Have a look a this picture, i've run the same program (one in cmd.exe from windows 2008, one from telnet), so the two windows should do the same things. When I `Alt Gr + 8 `, it gives `"\"` in Windows 2008, but it gives `"_"` in my telnet client. http://image.noelshack.com/fichiers/2019/29/3/1563368978-comparaison.jpg – Kenichi-san Jul 17 '19 at 13:15
  • Strange... anyway, it should be `keyb fr` but not `keybfr`... – aschipfl Jul 17 '19 at 14:06
  • Yes, you're right. But that `keybfr` is actually a program made by a french user which changes that `keyb` parameter. http://www.win3x.org/win3board/viewtopic.php?f=8&t=718&sid=a7fbe27bfea386376d0641bbd26fa27f About my problem, I changed telnet client software, and now `Alt Gr + 8` works fine, but those clients can't open my DOS application. I'm still testing each telnet client software one by one to resolve this. – Kenichi-san Jul 17 '19 at 14:22
  • After days of research, I arrived to one conclusion : I think that the `AltGr` button doesn't exist in any 16-bit DOS Application. The only way to put `"\"` is to do Alt+92. I hope someone one day will prove otherwise. Thanks for your help aschipfl ! You can set "solved" – Kenichi-san Jul 18 '19 at 07:12
  • Well, in MS-DOS *Alt Gr* existed as it was needed to enter pipes `|` in German keyboards, for instance; perhaps it is a problem with one of these keyboard layout tools `kb16` or `keybfr`? Anyway, I cannot mark this as solved, the only one that can do that is *you*, as soon as you provide an [answer](https://stackoverflow.com/help/self-answer) and mark it as [accepted](https://stackoverflow.com/help/accepted-answer) then... – aschipfl Jul 18 '19 at 08:47
  • Ok, I'll keep work on it. I've tested each chcp page code, changed nothing. – Kenichi-san Jul 18 '19 at 13:07

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