Open the Software Sharing Center, search 7z, install.
Or at the terminal sudo apt-get install P7zip-full
Description: (from Baidu)
7-zip is an open source software, most of the source code follows the
GNU LGPL license, using 7-zip software, without registration, free, is the real meaning of the "open" You can use 7-zip on any computer, including computers that are used for commercial purposes, and do not donate or pay 7-zip without prejudice to your use.
supported formats :
compression/Decompression : 7z, XZ, BZIP2, GZIP, TAR, ZIP, and WIM
only uncompressed : ARJ, CAB, CHM, CPIO, Cramfs, DEB, DMG, FAT , HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, 7z for ZIP and GZIP formats, 7-zip can offer up to 2 higher than PKZip and WINZIP -10% compression ratio for 7z with ZIP provides more complete AES-256 encryption algorithm 7z format support for creating self-release (SFX) compression package Windows Explorer integrated powerful File Manager powerful command-line version support for the far Manager plug-in supports 79 kinds Language
7-zip is available for Windows 7/vista/xp/2008/2003/2000/nt/me/98 and has command-line versions for Mac OS X, Linux, Unix platforms.
ubuntu12.04 Installing the compression software 7z
