Unrar is the name of two different command-line applications for extracting RAR archives.
RARLAB UnRAR 
This version of UnRAR is distributed by RARLAB, the makers of the commercial WinRAR archivers. It can extract newer RAR3 archives not supported by GNA's version.
GNA UnRAR 
This free software version of UnRAR is based on an old version of RARLAB's UnRAR with permission from author Eugene Roshal. It is licensed under the GPL. It does not support the RAR3 format.
The Unarchiver unar 
The Unarchiver is a replacement for "Archive Utility.app" in Mac OS X and free software. Its commandline Version unar/lsar supports the RAR3 format and is part of many GNU/Linux Distributions. Since Version 3.6 the GNOME unarchiving utility File Roller supports unar.
- ^ a b Frequently Asked Questions. UniquE RAR File Library. Accessed 12 October 2010.
- ^ Announcement of unar support in File Roller 3.6 Gnome Bugzilla. Accessed 5 February 2013.
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