7-Zip is a file archiver with a high compression ratio.
 .
 "7zip-standalone" provides:
  * /usr/bin/7zz: Full featured except plugins, standalone executable.
       This means 7zz can't work with unRAR plugin that provided by 7zip-rar
       package. Use 7zip package for unRAR plugin.
 .
 Note: If you want to create SFX archive, you also needs 7zip package for SFX
       stub module.