p7zip is a port of 7za.exe for POSIX systems like MacOS X, Unix (Linux, Solaris, OpenBSD, FreeBSD, AIX, Cygwin, ...), and BeOS.

7-Zip is a file archiver with highest compression ratio. Since 4.10, p7zip (like 7-zip) supports little-endian and big-endian machines.

NOTE: To install, open a terminal, go to the source directory and run "make" without the quotes.

What's New in This Release: [ read full changelog ]

From Windows version of 7-zip 9.04 :
· 7-Zip now can update solid .7z archives.
· 7-Zip now supports LZMA2 compression method.
· 7-Zip now supports XZ archives.
· 7-Zip now can unpack NTFS, FAT, VHD and MBR archives.
· 7-Zip now can unpack GZip, BZip2, LZMA, XZ and TAR archives from stdin.
· New -scrc switch to calculate total CRC-32 during extracting / testing.
· Some bugs were fixed.
· #2799966 " A newly created 7z archive (by p7zip 4.65) is broken and cannot be unpacked / listed / tested"
· Fixed : now "7za a -mx=9 archive.7z directory" creates a good archive even
· if there are a lot of executable files.
· Fixed : the RAM size was reported incorrectly on MacOSX 64bits (with 2Gb+ RAM)
· #2798023 "segfault handling very large multivolume .7z file"
· p7zip now displays the following error "Error: Too many open files"
· if you don't have enough rights to open all the splitted files
· ( on Linux : ulimit -n)