Regarding DOS and FreeDOS support: The Rufus default format selection is FreeDOS, which supports more keyboard layouts than the DOS one. Rufus runs using Windows 10, and users report successful deployment on Windows 11. Besides, the Windows end-of-life date was January 14, 2020. It runs faster than similar programs such as UNetBootin, Universal USB Install, or the Windows 7 USB download tool.
Supports multiple USB drive types: FAT, FAT32, NTFS, exFAT, UDF and ReFS.Creates and installs DOS or FreeDOS Media.
The Rufus software is available as an open-source download.