7zip: 7-Zip 
7zip:
7zip: 7-Zip is the file archiver that archives with very high compression
7zip: ratios. The program supports 7z (that implements LZMA compression
7zip: algorithm), ZIP, Zip64, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and
7zip: DEB formats. Compression ratios with the new 7z format are 30 to 50%
7zip: better than ratios with the ZIP format.
7zip:
7zip:
7zip:
7zip: