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sysadmin > boot > MS-DOS
document updated 13 years ago, on Apr 29, 2011
You can get the official Microsoft files (like io.sys, msdos.sys, command.com, edit.com, fdisk.exe, ...) from these sources:

(note: Win95/Win98 boot disks count as MS-DOS v7.x)

Note: when images are in .exe format, this is often the WinImage self-extracting format