ARJZ
From Just Solve the File Format Problem
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* [{{SACFTPURL|pack|arjz015.zip}} ARJZ 0.15 alpha] - Includes binaries for DOS, OS/2, and Windows NT console. | * [{{SACFTPURL|pack|arjz015.zip}} ARJZ 0.15 alpha] - Includes binaries for DOS, OS/2, and Windows NT console. | ||
* [{{SACFTPURL|pack|unaz015.zip}} UNARJZ 0.15 beta] | * [{{SACFTPURL|pack|unaz015.zip}} UNARJZ 0.15 beta] | ||
+ | * ARJZ 0.06 source code: [https://archive.org/details/2015-02-12.fidonet.org.ua FTP mirror - fidonet.org.ua - 2015-02-12] → fidonet.org.ua/pub/sources/arjz006s.rar (or {{DiscMasterLink|browse/20189/2015-02-12.fidonet.org.ua.tar/fidonet.org.ua/pub/sources/arjz006s.rar|at DiscMaster}}) |
Revision as of 13:09, 7 March 2023
ARJZ is a compressed archive utility, primarily developed by Булат Зиганшин (Bulat Ziganshin, according to translation software). Its native file format is an incompatible variant of ARJ.
Format details
ARJZ's main features seem to be:
- Increase ARJ's 26K history window to 32K, like LHA's "lh6" method. Indicated by ARJ's minimum archiver version to extract field set to 50.
- Increase the history window to 64K, like LHA's "lh7" method. Indicated by ARJ's minimum archiver version to extract field set to 51.
- Some sort of audio-targeted compression technique, enabled by the
-t9
option. Indicated by ARJ's "file type" field set to 9.
Identification
Like ARJ, an ARJZ file starts with bytes 0x60 0xea
, and has 0x02
at offset 10.
Unlike ARJ, ARJZ files are observed to have 0x33
at offset 5 (meaning archiver version = 51).
Software
- ARJZ 0.15 alpha - Includes binaries for DOS, OS/2, and Windows NT console.
- UNARJZ 0.15 beta
- ARJZ 0.06 source code: FTP mirror - fidonet.org.ua - 2015-02-12 → fidonet.org.ua/pub/sources/arjz006s.rar (or at DiscMaster)