This is the ARC File Archive Utility.  ARC is used to create and
maintain file archives.  It can automatically compress the files
being archived. It provides repeated-character compression, dynamic
Lempel-Zev (LZW) compression, or no compression. ARC was originally
written in 1985. This package also includes marc for merging ARC
archives.

Homepage:
https://sourceforge.net/projects/arc/
