Package unp suggests nonfree packages unace, unrar and unarj. If not installed, attempting to open corresponding archives is treated as errors
We might consider leaving arj, but remove "Suggests: unrar | unrar-free"
@mladen.pejakovic apt show only shows unrar in suggests. Is this in app recommendation, if so, screenshot please :)
mladen@pureos:/home/mladen/Downloads# unp ojsa.rar
Error, following packages must be installed in order to proceed:
rar or unrar or unrar-free