MDCD

File Format
Name	MDCD
Ontology	Electronic File Formats Archiving MDCD ; ; ;
Extension(s)	.md, .cd
Released	1988

MDCD is a compressed archiving utility, and its associated native file format. It was developed by Mike Davenport. It uses LZW compression.

The default filename extension is .md, though some of the example commands inexplicably use .cd instead.

Identification

Files begin with the ASCII signature "MDmd".