: RAR is one of the few formats that can include PAR2-like recovery data directly within the archive. This allows a user to repair a corrupted archive caused by "bit rot" or a shaky download—a level of data integrity that resonates with the ZFS-loving crowd in the FreeBSD community. Security Considerations

Because the RAR format is proprietary, BSD developers cannot simply bake the source code into the base system kernel. Instead, they rely on two primary methods:

: In the BSD world, you might run these utilities under security wrappers (like OpenBSD’s pledge or unveil ) to ensure that a malicious .rar file doesn't have access to your entire home directory during extraction. Conclusion: The Pragmatic Choice