MS-DOS 2.11 for Otrona Attache
Released in 1983 by Microsoft/Otrona
For the Otrona Attache 8:16 with 8086 expansion card.

This is the special version of DOS required to run DOS programs on 
the Otrona Attache 8:16. The Otrona Attache was an early portable 
computer designed to run 8-bit CP/M. With the 8086 expansion, it 
could run DOS, but was not IBM PC compatible. Contains a 360k disk 
image in Imagedisk format.

IMPORTANT: This disk will not boot on an IBM PC or emulator.
Source: http://www.retroarchive.org/maslin/disks/otrona/index.html
