Disk Masher System

File Format
Name	Disk Masher System
Ontology	Electronic File Formats Disk Image Formats Disk Masher System
Extension(s)	.dms

DMS (Disk Masher System) is a disk image format used on Amiga computers.

It is said to be proprietary, but it is supported by some open-source utilities and emulators, so apparently it has been documented or reverse-engineered.

Identification

Files begin with ASCII characters "DMS!".

Format info

• DMS header structure

Sample files

• http://cd.textfiles.com/17b5/files/
• https://telparia.com/fileFormatSamples/archive/voyager.dms

Software

• xDMS (Public Domain, portable C source)
• dms111 (Original Amiga software)
• Ancient Format Decompressor (decompresses to ADF)
• https://theunarchiver.com/

Links

• Wikipedia article