![]() ![]() ![]() Any program that works on MS-DOS should also run on FreeDOS. Let’s try it with an example: installing a copy of the FreeDOS operating system. FreeDOS is an open source DOS-compatible operating system that you can use to run legacy business software and other DOS applications. Now that we have the essentials to start a virtual machine with QEMU, we can put it all together on a single command line to create and boot your virtual machine! For example, set -boot order=dc to tell QEMU to try the CDROM ( d ) first, then the hard drive ( c ). While QEMUs main host platform is Linux, it is sometimes also useful to build or run it on members of the W32 / W64 family of operating systems (MS Windows 2000, Windows XP, Windows Vista, Windows 7. ![]() Use -boot to specify the order that QEMU should look for bootable devices. You can also append a suffix of M or G to specify the memory in MB or GB. If you do not explicitly set this, QEMU defaults to 128 MB. Set the amount of memory in the virtual machine with the -m size option. I never used QtEmu so not sure how it starts QEMU. For example, this might be the bootable ISO image to install Linux, Windows, or another operating system. 1 QEMU can be started with option '-monitor' so you can send commands to it there. Set -cdrom isofile to define the CD-ROM or DVD image file. This should be the same virtual disk you defined with the qemu-img command. Use -hda imagefile to tell QEMU to use imagefile as the hard drive image. To emulate a more modern system, use qemu-system-x86_64. To emulate a legacy PC system, use qemu-system-i386. ![]()
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