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1990-12-28
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README.DOC December 1990
Robert K Jung
2606 Village Road West
Norwood, MA 02062
This archive contains a new file archiver called ARJ. This is BETA test
release 0.20. This is the last planned test version. I would
appreciate users' testing and providing feedback. This is a full
featured UNCRIPPLED public release. ARJ is free for non-commercial
personal use. Commercial or governmental use requires a site license.
Major features of ARJ include:
Production of consistently smaller archive files than produced by
PKZIP 1.10, PAK 2.51, and LHARC 1.13c. This has been verified by
many ARJ users from Brazil to Canada and across the Atlantic in
England. ARJ is particularly effective on text files and database
files.
Option to create multiple volume archives with one command making ARJ
useful for making backups to multiple floppies or archiving a very
large file to several floppies without "SLICing".
Option to test newly created archive before overwriting original
archive or deleting input files for a move command.
Selectable compression options including FAST!!! compression modes.
Command to change the filenames of files stored in archives.
Multiple string searching within archives.
32 bit CRCs for file integrity.
Text mode compression to enable cross-platform extraction of files.
Filename specification via list files option.
Filename/wildname exclusion option.
Built-in facility to recover files from broken archives.
Setting of comments for archive and files with a file input option.
ARJ internal CRC checks to resist hacking a la "ICE".
Archive security envelope to resist tampering. ARJ-SECURITY
disallows archive update of any kind including commenting.
Self-extraction option built into ARJ.EXE. Self-extractor has
security envelope checking feature.
This archive contains the following files:
README.DOC - This file
WHATSNEW.DOC - Changes from ARJ 0.20
ARJ020.EXE - An ARJ-SECURED self-extracting archive containing the
following files:
ARJ.DOC - ARJ user manual
ARJ.EXE - BETA version 0.20
AV.C - Turbo C source code for ARJ file lister
AV.EXE - ARJ file lister
HISTORY.DOC - Release history of ARJ
LICENSE.DOC - License policy
ORDER.FRM - Order form for ARJ
README.DOC - This file
RESULTS.DOC - Compression comparison of various archivers
TECHNOTE.DOC - Technical information about ARJ
WHATSNEW.DOC - Changes from ARJ 0.20
????????.BAT - Various sample batch files using ARJ
To list the contents of ARJ020.EXE, type
ARJ020 -l
To verify the ARJ-SECURITY envelope and contents of ARJ020.EXE, type
ARJ020 -t
To extract the files in ARJ020.EXE, type
ARJ020
This will extract the files in ARJ020.EXE to the current directory.
You can also use ARJ 0.15 or later to extract the contents of the
ARJ020.EXE archive.
end of readme.doc