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Snowdrop OS - a homebrew operating system from scratch, in assembly language
The following downloads provide both bootable disk images, as well as all tools and source code needed to build the disk images yourself.


IMG floppy disk image (bootable) - write this bootable image to a real 1.44Mb floppy disk, or mount it as a virtual floppy drive in a virtual machine such as Bochs or VMWare


ISO CD-ROM disk image (bootable) - write this bootable image to a real CD-ROM, or mount it as a virtual drive in a virtual machine such as Bochs or VMWare


Snowdrop OS source code package - contains everything needed to build Snowdrop OS. Grab this if you wish to inspect the boot loader, kernel, or apps source code, or if you wish to modify Snowdrop OS.

Tested under Windows XP 32bit, Windows 98, Windows 95. All tools required to build Snowdrop OS are included, and no configuration is required. Just download, unzip anywhere, and run "make.bat". See the Building page for more information.

Additionally, the floppy disk image above can be used to create a bootable USB drive. For more information, check the README.txt file in the project root directory.