Zoo
From Just Solve the File Format Problem
ZOO was one of the many competing archive formats in the 1980s, and was based on the LZW compression system. It had some popularity with Open/VMS and Amiga systems, but didn't ultimately win out over ZIP.
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Identification
Files have bytes DC A7 C4 FD at offset 20.
Compression
There are three known compression algorithms: 0 is uncompressed; 1 is LZW, also called "LZD"; 2 is "LZH".
Software
- Konvertor
- zoo-2.10pl1.tar.gz
- zoo-2.10-3.src.rpm
- unzoo.c (Does not support LZW/LZD.)
- BOOZ102.ZIP - Booz (Barebones Ooz) (Does not support LZH.)
Sample files
- http://cd.textfiles.com/20mnn/GRAPHIX/VT-MOTIO.ZOO
- http://cd.textfiles.com/aminet0294/AMINET/UTIL/ARC/ → *.ZOO
References
- Wikipedia: Zoo (file format)
- The ZOO Archive File Format from Corion.net, via FileFormat.info
- Archive format info, including ZOO
- ZOO file header format (among other archive types)
