This was also the version of DOS used in the OS/2 and Windows NT virtual DOS machine. This release of DOS was the last of the collaboration between Microsoft and IBM and as a result will be the last result where PC-DOS and MS-DOS are near-identical. Numerous bugs were noticed shortly after launch which lead to the 5.0a update. The memory management was rewritten to allow DOS to utilize the High Memory Area and Upper Memory Area to reduce its usage of conventional memory. MS-DOS 5 also supported 2.88MB 3.5' floppy disks as well as hard disks up to 2GB in size. Microsoft QBasic also shipped in DOS 5 replacing GW-BASIC. A full screen text editor EDIT has replaced the former line editor EDLIN supplied since the early days of DOS. It's supremely easy to use, and still being actively developed, so if other emulators won't run some ancient app then give this one a try.MS-DOS 5 introduced numerous new features and was a flagship release for Microsoft. MS-DOS Player can't run games or more complex DOS applications - DOSBox remains your best option there - but we found it handled smaller tools very well. Launch msdos.exe with no program name, or double-click it from Windows, to see your options. If this works, great- if not, msdos.exe has a few troubleshooting switches you can use to ignore invalid memory instructions, tweak memory handling, set the DOS version and more. To test it, copy that file to the folder containing your dos executable file, then launch it from a command line, like msdos program.exe If you don't know which you need, just head straight for the i86_x86 folder where you'll find a single msdos.exe file. MS-DOS Player arrives with 8 binaries, each one emulating a separate processor and supporting 32, 64 or both types of Windows. But if you'd like to run something relatively small and simple, and Windows is currently telling you it 'can't be run on your operating system', then MS-DOS Player may be able to help. The program doesn't emulate hardware like graphics or sound cards, which means it can't be used for running games or some other more complex software. MS-DOS Player for Win32-圆4 is a tiny DOS emulator which enables running simple DOS-only programs under 32 or 64-bit Windows.

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