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Quantum compressed archive - Just Solve the File Format Problem

Quantum compressed archive

From Just Solve the File Format Problem
(Difference between revisions)
Jump to: navigation, search

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(Sample files)
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|formattype=electronic
 
|formattype=electronic
 
|subcat=Archiving
 
|subcat=Archiving
|extensions={{ext|q}}, {{ext|pak}}
+
|extensions={{ext|q}}, others
|released=≤1995
+
|released=≤1994
 
}}
 
}}
'''Quantum compressed archive''' is an archive format developed by Cinematronics corporation. It runs on a normal computer, not a [[quantum computer]].
+
'''Quantum''' a compressed archive utility, and associated file format, developed by Cinematronics corporation. It runs on a normal computer, not a [[quantum computer]].
 +
 
 +
== Discussion ==
 +
As of v0.97, the distribution includes:
 +
 
 +
* PAQ.EXE - Compressor for DOS
 +
* UNPAQ.EXE - Decompressor for DOS
 +
* QWIN.EXE - Decompressor for Windows 3.x
 +
 
 +
The software (at least for v0.96-0.97) is consistently named "Quantum", despite filenames that may suggest other names.
  
 
== Identification ==
 
== Identification ==
Files begin with bytes <code>'D' 'S'</code>. The next byte (the major version number) is probably always <code>0x00</code>.
+
Files begin with bytes {{magic|'D' 'S'}}. The next byte (the major version number) is probably always <code>0x00</code>.
 +
 
 +
== Specifications ==
 +
* [{{SACFTPURL|pack|quant097.zip}} quant097.zip] → QUANTUM.DOC → "Archive file format" section
  
 
== Software ==
 
== Software ==
* [http://files.mpoli.fi/unpacked/software/dos/compress/quant097.zip/ quant097.zip] (old MS-DOS and Windows binaries)
+
* {{CdTextfiles|pdos9606/ARCHIVER/TOOLS/QUANT096.ZIP|Quantum 0.96}}
 +
* [{{SACFTPURL|pack|quant097.zip}} Quantum 0.97]
  
 
== Sample files ==
 
== Sample files ==
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== Links ==
 
== Links ==
 
* [http://www.russotto.net/quantumcomp.html Quantum compression format]
 
* [http://www.russotto.net/quantumcomp.html Quantum compression format]
* [[Wikipedia:Quantum compression|Wikipedia: Quantum compression]]
+
<!-- * [[Wikipedia:Quantum compression|Wikipedia: Quantum compression]] -->

Revision as of 20:30, 12 November 2021

File Format
Name Quantum compressed archive
Ontology
Extension(s) .q, others
Released ≤1994

Quantum a compressed archive utility, and associated file format, developed by Cinematronics corporation. It runs on a normal computer, not a quantum computer.

Contents

Discussion

As of v0.97, the distribution includes:

  • PAQ.EXE - Compressor for DOS
  • UNPAQ.EXE - Decompressor for DOS
  • QWIN.EXE - Decompressor for Windows 3.x

The software (at least for v0.96-0.97) is consistently named "Quantum", despite filenames that may suggest other names.

Identification

Files begin with bytes 'D' 'S'. The next byte (the major version number) is probably always 0x00.

Specifications

  • quant097.zip → QUANTUM.DOC → "Archive file format" section

Software

Sample files

Related formats

  • Some Microsoft CAB files use the same "Quantum" compression scheme as this format.

Links

Personal tools
Namespaces

Variants
Actions
Navigation
Toolbox

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