7-Zip is a
program for creating or unpacking archived and compressed files in an
enormous variety of formats.
7-Zip
can both create or unpack the following formats: 7zip, ZIP,
CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB files. For the
standard ZIP and GZIP formats, 7-Zip provides a compression ratio that
is 2 - 10 % better than that provided by PKZip or WinZip, and the
native 7zip format can provide a 45% reduction in file size from the
common zip format.
The
program is highly configurable, allowing the user to
balance the level of compression and speed. The interface is designed
to mimic the standard Windows shell, Explorer, and is localized to 40
languages.
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