p7zip - Wrapper on 7za, a 7-zip file archiver with high compression ratio
p7zip[-d][-h|--help][--][file...] -h print this help
-d decompress file
-- treats all subsequent arguments as file names, even if they start with a dash
7-Zip is a file archiver with the highest compression ratio. The program supports 7z (that implements LZMA compression algorithm), ZIP, CAB, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.
p7zip is a gzip-like CLI wrapper script for 7zip
Treats all subsequent arguments as file names, even if they start with a dash