On Sat, 26 Feb 2022 at 02:57, Bret Johnson <bretj...@juno.com> wrote: > > I have a large set of DOS environments I use for testing. Basically, I have > a bunch of different versions of DOS that I can boot to (MS-DOS, PC-DOS, > FreeDOS, DR-DOS, from versions 3.0 to the latest of each). DOS versions 1 & > 2 were so lackluster that I don't bother even testing with them. I have a > copy of the commercial program called System Commander which allows me to > install and boot all these different versions of DOS from a single partition > on a hard drive. I know there are other ways to accomplish the same feat, > but I bought a copy of System Commander a long time ago so that is what I use.
ISTM that just because you bought a $30 program years ago, you're making an awful lot of work for yourself. Multi-booting all those OSes off a single partition is very *VERY* much a hard way of doing this. VirtualBox is free. It runs DOS with aplomb. You could run all these DOS versions in separate VMs, with no overlap, and custom config files. You could have a separate D: drive on a separate virtual disk, with the programs you're testing in it. That same virtual drive could be attached to 2 or 10 or 20 different DOS VMs, so long as you didn't boot 2 at the same time. But you can't do that now anyway. It could also be attached to a Windows XP VM, and that could be networked to your host OS to get stuff in and out of the VM easily. Or you can mount the drive from Linux: https://ubuntuhandbook.org/index.php/2021/05/mount-virtualbox-vdi-ubuntu/ Or from Windows: http://www.winmount.com/ Or you could use VMWare Server, which is freeware, and in which this is a built-in facility. https://docs.vmware.com/en/VMware-Workstation-Player-for-Windows/16.0/com.vmware.player.win.using.doc/GUID-896E61F5-0865-4D3B-975E-DE476AFC7168.html -- Liam Proven ~ Profile: https://about.me/liamproven Email: lpro...@cix.co.uk ~ gMail/gTalk/FB: lpro...@gmail.com Twitter/LinkedIn: lproven ~ Skype: liamproven UK: (+44) 7939-087884 ~ Czech [+ WhatsApp/Telegram/Signal]: (+420) 702-829-053 _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user
