Package “Arj Software” has 4 man pages.
arj(1) arj is a compression and file archiving utility. It was invented by Robert K. Jung. ARJ stands for Archived by Robert Jung. arjdisp(1) The arjdisp command is a graphical interface for arj. rearj(1) The rearj command can repackage other archive formats to arj. unarj(1) The unarj command is a simple wrapper to ease transition from the non-free unarj.