UltraCompressor II

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'''UltraCompressor II''' is a 1990s-era compression and archiving program for the PC platform (DOS, Windows, OS/2, DesqView) which claimed to be both faster and more compact than other compression systems. It had special support for OS/2 extended attributes. It was a commercial program released as a "try-before-you-buy" download.
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'''UltraCompressor II''' (UC2) is a 1990s-era compression and archiving program for the PC platform (DOS, Windows, OS/2, DesqView) which claimed to be both faster and more compact than other compression systems. It had special support for OS/2 extended attributes. It was a commercial program released as a "try-before-you-buy" download. It was developed by Ad Infinitum Programs (AIP-NL).
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== Related tools ==
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=== UC2SEA ===
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Some versions (the Pro versions?) of UC2 include UC2SEA, a utility for making self-extracting UC2 archives.
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=== UCEXE ===
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Some versions (the Pro versions?) of UC2 include UCEXE, an [[executable compression]] utility. It can compress (at least) [[MS-DOS EXE|DOS EXE]] files, and [[DOS executable (.com)|COM]] files (converting them to EXE).
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== Identification ==
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UC2 archives start with ASCII "{{magic|UC2}}", followed {{magic|0x1a}}.
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A likely signature for both UC2SEA and UCEXE formats is "{{magic|UC2X}}" at offset 28.
  
 
== Software ==
 
== Software ==
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** {{CdTextfiles|ftp.wwiv.com/pub/GENUTIL/uc2b305.exe|UC2 Revision 3.05-beta}} (1995?)
 
** {{CdTextfiles|ftp.wwiv.com/pub/GENUTIL/uc2b305.exe|UC2 Revision 3.05-beta}} (1995?)
 
** [https://www.sac.sk/download/pack/uc237b.exe UltraCompressor version 2.37-beta] (1996?)
 
** [https://www.sac.sk/download/pack/uc237b.exe UltraCompressor version 2.37-beta] (1996?)
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== Sample files ==
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* {{DexvertSamples|archive/ultraCompressor2}}
  
 
== References ==
 
== References ==
 
* [http://ftp.sunet.se/pub/security/docs/crypt/ripem.msu.edu/ultra-compressor-ii.txt UltraCompressor II info]
 
* [http://ftp.sunet.se/pub/security/docs/crypt/ripem.msu.edu/ultra-compressor-ii.txt UltraCompressor II info]
 
* [http://www.nicodevries.com/professional/ An author's website] which includes a link to the source code.
 
* [http://www.nicodevries.com/professional/ An author's website] which includes a link to the source code.
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* [https://web.archive.org/web/20090211113704/http://www.xs4all.nl/~aipnl/ Archived copy of AIPNL website]

Latest revision as of 05:14, 28 December 2023

File Format
Name UltraCompressor II
Ontology
Extension(s) .uc, .uc0, .uc2, .ucn, .ur2, .ue2
Released 1994

UltraCompressor II (UC2) is a 1990s-era compression and archiving program for the PC platform (DOS, Windows, OS/2, DesqView) which claimed to be both faster and more compact than other compression systems. It had special support for OS/2 extended attributes. It was a commercial program released as a "try-before-you-buy" download. It was developed by Ad Infinitum Programs (AIP-NL).

Contents

[edit] Related tools

[edit] UC2SEA

Some versions (the Pro versions?) of UC2 include UC2SEA, a utility for making self-extracting UC2 archives.

[edit] UCEXE

Some versions (the Pro versions?) of UC2 include UCEXE, an executable compression utility. It can compress (at least) DOS EXE files, and COM files (converting them to EXE).

[edit] Identification

UC2 archives start with ASCII "UC2", followed 0x1a.

A likely signature for both UC2SEA and UCEXE formats is "UC2X" at offset 28.

[edit] Software

Note that a designation like "UltraCompressor II revision 3" is roughly the same as "UltraCompressor version 2.3".

[edit] Sample files

[edit] References

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