p7zip: p7zip (a file archiver with the highest compression ratio) p7zip: p7zip: p7zip is a quick port of 7z.exe and 7za.exe (command line version of p7zip: 7zip, see www.7-zip.org) for Unix. p7zip: 7-Zip is a file archiver with the highest compression ratio. p7zip: Since 4.10, p7zip (like 7-zip) supports little-endian and big-endian p7zip: machines. p7zip: p7zip: p7zip: p7zip: