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p7zip is a Unix port of 7-Zip, a file archiver with high compression
ratio (www.7-zip.org) with lots of features:
* 7-Zip is free software distributed under the GNU LGPL
* High compression ratio in new 7z format with LZMA compression
o Unicode file names
o Variable dictionary size (up to 4 GB)
o Compressing speed: about 1 MB/s on 2 GHz CPU
o Decompressing speed: about 10-20 MB/s on 2 GHz CPU
* Supported formats:
o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
o Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB
and NSIS
* For ZIP and GZIP formats 7-Zip provides compression ratio that is
2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
WWW: http://p7zip.sourceforge.net/
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