I have heard about this problem from some users of the FreeDOS VirtualBox 
images at 

As far as I found out, "Bad or missing command interpreter" doesn’t necessarily 
mean COMMAND.COM doesn’t exist. It can also mean it can’t be loaded. This seems 
to be an issue of JEMMEX on some machines.

You could experiment with JEMMEX settings. Others here know a lot more about 
that and perhaps have the time to help you. 

Another possibility: If you use FreeDOS for non-commercial purposes, it would 
be legal to use the memory manager of Calderas DR-DOS instead. The full DR-DOS 
can be found here ftp://ftp.uni-bayreuth.de/pub/pc/caldera 
<ftp://ftp.uni-bayreuth.de/pub/pc/caldera> with all the necessary notes and 
licensing information. Please read it. For your convenience the driver alone 
can be downloaded here: https://www.lazybrowndog.net/freedos/dremm386.zip 

Unzip it to a folder like C:\UTIL\DRDOS.

Look for a line similar to this one in C:\FDCONFIG.SYS:


and replace it by this one


And in C:\AUTOEXEC.BAT after the following line

IF „%config%“==„4“ goto end

add this line:


Please give some feedback if this works for you.

Note: DR-DOS EMM386 doesn’t have all the features of JEMMEX so you need to test 
if your programs work with this driver. Try also different settings to get more 
free memory. I know that this is not a perfect solution.


> Am 07.01.2016 um 00:15 schrieb caswellrie...@gmail.com:
> Hello! Basically, my issue is summarized in the title.
> I have installed a FreeDOS 1.1 install as a VirtualBox guest, but when I boot 
> I get the error “Bad or missing command interpreter” and then a prompt to 
> enter the path to COMMAND.COM <http://command.com/>.  However, when this 
> prompt is issued, the system stops accepting keyboard input.  The keyboard 
> works before this prompt.  Possibly related, but I had to try to install from 
> the CD image twice, because the first time the installer froze after I 
> selected my language/keyboard layout.
> Any and all help would be greatly appreciated.
> Thanks, Matt
> Sent from Windows Mail
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