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This is a free software version of UnRAR that uses a library that is based on an old version of RARLAB's UnRAR with permission from author Eugene Roshal. [3] It is probably licensed under the GPLv2-only and unrarlib is available under the GPLv2-or-later or a proprietary license. Work ended in 2007. Unrarlib only supports the RAR2 format. [3]
7-Zip, a free and open-source program, starting from 7-Zip version 15.06 beta [11] can unpack RAR5 archives, using the RARLAB unrar code. PeaZip is a free RAR unarchiver, licensed under the LGPLv3-or-later and via 7-Zip can unpack RAR archives, using RARLAB unrar. [12]
Although archiving with the RAR format is proprietary, RARLAB supplies as copyrighted freeware the C++ source code of the current UnRAR unpacker, with a license allowing it to be used in any software, thus enabling others to produce software capable of unpacking, but not creating, RAR archives. [17] RAR for Android is free of charge.
7-Zip comes with a file manager along with the standard archiver tools. The file manager has a toolbar with options to create an archive, extract an archive, test an archive to detect errors, copy, move, and delete files, and open a file properties menu exclusive to 7-Zip.
The operating systems the archivers can run on without emulation or compatibility layer. Ubuntu's own GUI Archive manager, for example, can open and create many archive formats (including Rar archives) even to the extent of splitting into parts and encryption and ability to be read by the native program.
An archive format originally used mainly for archiving and distribution of the exact, nearly-exact, or custom-modified contents of an optical storage medium such as a CD-ROM or DVD-ROM. However, it can be used to archive the contents of other storage media, selected partitions, folders, and/or files.
The Unarchiver is a proprietary freeware [3] data decompression utility, which supports more formats than Archive Utility [4] (formerly known as BOMArchiveHelper), the built-in archive unpacker program in macOS. It can also handle filenames in various character encodings, created using operating system versions that use those character ...
1. "In computer science, RAR is a file compression and archiving of the proprietary format." Better perhaps is: RAR is a proprietary file compression and archiving format used in computer science. 2. "Eugene Roshal conditional discloses decoding program source code, but the code is still proprietary."