I use MS-DOS 7.10 as a boot disk, but UCDOS won't run. First it says KNL.EXE is not running, then it says RD16.EXE is not running, and after that it says or cannot be found. But I can clearly see in the directory! Could some expert please tell me? Because I'm going to take the NCRE Level 3 Database Technology exam, and I found some software with practical and written exam parts, but it has to run under UCDOS.


