If you use Rufus on Windows 10 or later: you have the ability to create bootable USBs with FreeDOS only.If you use Rufus on Windows XP to Windows 8.1: you have the ability to create bootable USBs with either FreeDOS or MS-DOS (WinME edition).This means that we don't have a legal way to create MS-DOS bootable USB flash drives any more, and the end result is that: However, with the introduction of Windows 10, Microsoft dropped the ability to create bootable floppies (since nobody using Windows 10 is expected to boot from floppy) and removed diskcopy.dll. So, up to Windows 10, we relied on the fact that the MS-DOS files (from Windows ME) were included in the DLL ( diskcopy.dll) that Windows uses to create DOS bootable floppy disks (which actually contains a complete bootable floppy FAT image), and picked the files from there, which we can legally do. "copy *.*") from your three floppy disks into the DOS directory.As correctly pointed by the version of MS-DOS provided by Rufus is the MS-DOS from Windows Millenium Edition, "uncrippled" to enable boot (I didn't invent this patch, but picked it up from the HP USB and other tools).Īlso, and this is the important part, Rufus does NOT embed the MS-DOS files within the application, but picks them up from the Windows system it is running from, because, since the MS-DOS binaries are proprietary and copyrighted by Microsoft, it is illegal for anybody else but Microsoft to distribute MS-DOS binaries, be it in a zip file or an application (as a matter of fact, it appears that HP got into legal problems with Microsoft when they tried to produce a version of their HPUSBFW utility that embedded the Windows 98 MS-DOS files, and Microsoft quickly got them to stop doing that). You then create a directory on the C: drive (typically called "DOS"), and then you copy everything (i.e.
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The steps I just mentioned give you a bootable hard drive. Google should have all the details you need: FDISK can be finicky.Īt some point you will want to install that CD driver that I keep mentioning.ĭOS is not a modern OS, it doesn't really need to be installed as such. Then you create config.sys and autoexec.bat files on the C drive. You can then remove the floppy and reboot, it will boot from the hard drive. You first need to create partitions on the virtual C: drive using FDISK, and then format the C: drive using the command "format C: /s" (the /s makes the drive bootable). a bootable floppy containing DOS system tools including FDISK.EXE and FORMAT.COM). You need to boot from a system floppy (i.e. It's easy enough provided you didn't make the hard disk too large (my own DOS 6.22 VM has a 512 MB hard drive). I assume you might be asking how to get it to boot from hard disk? Well, if you booted from floppy then it's already a working DOS VM. Is it possible to make a DOS VM with 3 DOS-floppy-images as well? How? I used an image of a very basic DOS622 floppy. Or, just boot from the floppy but then run setup from the CD: the boot disk you find online will include CD drivers.
![download ms dos 6.22 bootable installation floppys download ms dos 6.22 bootable installation floppys](https://1.bp.blogspot.com/-h0mIh0gWqUM/WpZR8z-rqLI/AAAAAAAAAEw/0f1zAOtR6Q85KXKMh8-MSrooCmnjPqG0wCLcBGAs/s400/virtualbox_menu_floppy.png)
That floppy image can be mounted in any other VM (once you add a floppy drive anyway), then you can copy from a shared folder onto the floppy image. If I was you I would look online for a boot floppy of the correct version of DOS.
![download ms dos 6.22 bootable installation floppys download ms dos 6.22 bootable installation floppys](http://www.windowsreinstall.com/win98/install98floppy/images/Image16.gif)
On the subject of tools, I don't know of one (which doesn't mean it won't exist) that can create floppy images from a group of files, also the first floppy in the set would have to be bootable. It must not be compressed nor have a header imposed by some tool. A raw image of a 1.44MB floppy usable in VirtualBox should be exactly 1,474,560 bytes. The MS developer CD probably has folders called DISK1 and DISK2 etc, so that's what each of the floppy images needs to contain.īy the way, VirtualBox floppy images are raw, so don't be misled into using some crazy tool just because it reuses the ".img" extension. You will need either physical floppies and a physical floppy drive, or else you'll need floppy disk images. To my understandig VBox needs *.img in order to be able to install DOS.Ī VM is just a PC, so you would install DOS just like on a physical PC - from floppies.