> On Jun 21, 2025, at 4:10 AM, Thomas Desi via Freedos-user 
> <freedos-user@lists.sourceforge.net> wrote:
> 
> I just stumbled over a website with DOS Software from 2023 (! yes, 2023)
> 
> https://www.inverary.net/campbellware/dos.php
> 
> where they offer a Utility to set the text resolution in DOS: It says 
> 
> "DOS Set Text Resolution (STR) is a new 2023 DOS utility
>   - STR allows users to manually set the text resolution of the DOS CLI to 
> 80x25, 80x43 or 80x50“
> 
> haven’t tried yet, but this sounds pretty much like what MODE CON lines=nn 
> does…??
> 
> T.

Should be, just a different way of entering what you font you want.

Basically, that just sets the video mode and font. There are number of tools 
that can do that. 
I have written several myself over the years. 

For example, V8Power Tools is installed with FreeDOS. It powers the FreeDOS 
installer and 
provides various other functions used by the OS after install. Things like the 
colored text that
welcomes you to the OS after boot. 

It contains a tool called VMODE. It will do the  same thing. Simply running 
‘vmode font8’ will
activate the BIOS 8x8 font and give you 80x43 (EGA) or 80x50 (VGA) resolution 
in text mode. 

So unless you intentionally remove the V8POWER package from your install, you 
have a program
that will do the same thing. However, VMODE will also let you set the EGA font 
(8x14) which will
provide 80x28 resolution on VGA adapters. 

I am sure MODE will do the same, just in a different way. MODE will also do 
many things that
VMODE does not. 

Side note… There is a tool called LISTVESA on the Install media and on the 
repositories.
If your video card supports VESA modes, you can use it to see what Graphics and 
Text modes
are available. You could then use VMODE to switch one of those modes. VMODE 
will also display 
a simple list of VESA modes. However, it does not say if it is Graphics or Text 
and only provides
the resolution. That may be good enough since text mode resolutions are columns 
& rows.

To answer your other question “what does CO stand for?”

When discussing the text modes generally, CO=Color, BW=Grey Scale. There is 
also Monochrome.

However, often a BIOS will display BW in color. For example, DOSBox displays 
color regardless of CO or BW.


> 
> 
> 
>> Am 20.06.2025 um 23:29 schrieb tsiegel--- via Freedos-user 
>> <freedos-user@lists.sourceforge.net>:
>> 
>> 
>> On 6/20/2025 9:07 PM, Thomas Desi via Freedos-user wrote:
>>> 
>>>> Am 19.06.2025 um 22:19 schrieb tsiegel--- via Freedos-user 
>>>> <freedos-user@lists.sourceforge.net>:
>>>> 
>>>> Does changing to 40 columns just use half the screen, or does it make the 
>>>> font larger to accommodate?
>>> It makes the font larger (like „double“)
>>> 
>>> 
>>>> If the latter, it might be a way to make the font larger.
>>> That I would have expected, but didn’t yet find a way how.
>>> No idea if it will stick when using applications, but a simple
>> 
>> mode co40
>> 
>> should do the trick from the dos prompt.
>> 
>> 
>> 
>> 
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