Before opening or extracting any unknown .rar file, always run it through a local antivirus program or upload it to a free online scanning tool like VirusTotal to ensure it does not contain malicious software.
unarj for Unix. Decompresses only. (There is no arj compressor for Unix. Don't post a request.) ... . bck: VMS BACKUP. BACKUP is * Google Groups comp.compression Frequently Asked Questions (part 1/3) 23512.rar
You can use a trusted decompression tool like WinRAR or 7-Zip to "Open Archive" instead of extracting it immediately. This allows you to look at the list of files, sizes, and extensions safely inside the container without running any potential scripts or executables. Before opening or extracting any unknown