Are you using FreeDos or different dos? I'm on Ubuntu 18.04 w/ freedos
Orange, I'm using the FreeDos kernel in Dosemu.
I've got half of the instructions for setting up MSDos in Qemu on my wiki, though I'm not finished with the write-up:
wiki.deadbeatz.org.
|20|15ÚÄ|16|08´ |08De|07ad|15be|07a|08tz b|07b|15s
|08ÀÄÙÃÄ¿ |08:>.|07A|08rk |0710|08:|07101|08/|0714|08.
|04þ |08À|20|15Ä|16|08Ù |08:>.|10A|02gn |1046|08:|101|08/|10123|08.
|04A|07n|15al|07o|08g |08:>.|12F|04sx |1221|08:|122|08/|12123|08. |15.|04p|07HENOM|15. |08:>.|15S|07ci |1577|08:|151|08/|15131|08. |04°±°|08±ÛÛÜÝ|08:>.|11T|03qw |111337|08:|113|08/|1113|08.
--- Mystic BBS v1.12 A44 2020/02/02 (Linux/64)
* Origin: deadbeatz.org (21:2/123)