MDOS

Virtual DOS environment provided by:


 * IBM OS/2 2.0
 * IBM OS/2 2.1
 * IBM OS/2 SMP 2.11
 * IBM OS/2 Warp 3
 * IBM OS/2 Warp Connect
 * IBM OS/2 Warp Server 4
 * IBM OS/2 Warp 4
 * IBM OS/2 Warp Server for e-business
 * IBM WorkSpace on-Demand 1.0
 * IBM WorkSpace on-Demand 2.0