unarj
Pack Program
Unarj allows for unpacking of .arj files, which are widely spread in the DOS world. It is included for compatibility reasons, to be able to extract packages from DOS. It should not be used for compressing packages under Linux. Use gzip, which is the standard, instead.
There is no official package available for openSUSE Leap 15.5Distributions
openSUSE Tumbleweed
Unsupported distributions
The following distributions are not officially supported. Use these packages at your own risk.