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Rev.	0276b9906850c0ea8b6d94b3bb770176abc68dfd
大小	8,255 字节
时间	2016-01-20 00:01:21
作者	nabeshin
Log Message	mirror .org
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<TITLE>7-Zip</TITLE>
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  high, ratio, free, gnu, lgpl, unzip, far, win32, 7zip, long, file, names">
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<TABLE cellspacing=10 cellpadding=10 border=0 width="100%"><TR>
<TD class="MenuColumn" valign="top">
<TABLE cellpadding=2 cellspacing=0 border=0 width="100%">
<TR><TD><IMG width=110 height=63 src="/7ziplogo.png" alt="7-Zip" border=0></TD></TR>
<TR><TD><HR></TD></TR></TABLE>
<TABLE cellpadding="2" cellspacing="0" border="0">
<TR><TD><SPAN class="MenuCurrent">Home</SPAN></TD></TR>
<TR><TD><A href="7z.html" class="MenuLink">7z Format</A></TD></TR>
<TR><TD><A href="sdk.html" class="MenuLink">LZMA SDK</A></TD></TR>
<TR><TD><A href="download.html" class="MenuLink">Download</A></TD></TR>
<TR><TD><A href="faq.html" class="MenuLink">FAQ</A></TD></TR>
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<P>
<B>English</B><BR>
<A href="http://sparanoid.com/lab/7z/">Chinese Simpl.</A><BR>
<A href="http://www.developershome.com/7-zip/">Chinese Trad.</A><BR>
<A href="http://7zip-eo.rnbastos.com/">Esperanto</A><BR>
<A href="http://www.spiroo.be/7zip/">French</A><BR>
<A href="http://www.7-zip.de/">German</A><BR>
<A href="http://sevenzip.sourceforge.jp/">Japanese</A><BR>
<A href="http://7-zip.org.pl/">Polish</A><BR>
<A href="http://7zip.rnbastos.com/">Portuguese Brazil</A><BR>
<A href="http://7zip-es.updatestar.com/">Spanish</A><BR>
<A href="http://7zip-thai.inetbridge.net/">Thai</A><BR>
<A href="http://7zip-vi.updatestar.com/">Vietnamese</A><BR>
</P>

</TD>
<TD valign="top">

<TABLE cellspacing ="4" cellpadding ="4"><TR>

<TD>

<H1>7-Zip</H1>

<P><B>7-Zip</B> is a file archiver with a high compression ratio.</P>

<P><B>Download 7-Zip 15.14 (2015-12-31) for Windows</B>:</P>  
<TABLE cellspacing ="1" cellpadding ="6" border = "0">
  <TR>
    <TH class="Title" align="center" width=60>Link</TH>
    <TH class="Title" align="center" width=60>Type</TH>
    <TH class="Title" align="center" width=80>Windows</TH>
    <TH class="Title" align="center" width=55>Size</TH>
  </TR>
  <TR>
    <TD class="Item" align="center"><A href="a/7z1514.exe">Download</A></TD>
    <TD class="Item" align="center">.exe</TD>
    <TD class="Item" align="center">32-bit x86</TD>
    <TD class="Item" align="center">1 MB</TD>
  </TR>
  <TR>
    <TD class="Item" align="center"><A href="a/7z1514-x64.exe">Download</A></TD>
    <TD class="Item" align="center">.exe</TD>
    <TD class="Item" align="center">64-bit x64</TD>
    <TD class="Item" align="center">1 MB</TD>
  </TR>
</TABLE>


<H2>License</H2>

<P><B>7-Zip</B> is <B>open source</B> software. Most of the source code is under the <B>GNU LGPL</B> license.
The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. Check 
license information here: <A href="license.txt">7-Zip license</A>.</P> 

<P>You can use 7-Zip on any computer, including a computer in a commercial organization. 
You don't need to register or pay for 7-Zip.</P>

<H2>The main features of 7-Zip</H2>
<UL>
  <LI>High compression ratio in <A href ="7z.html">7z format</A> with <B>LZMA</B> and <B>LZMA2</B> compression</LI>
  <LI>Supported formats:
    <UL>
     <LI>Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM</LI>
     <LI>Unpacking only: AR, ARJ, CAB, CHM, CPIO, CramFS, DMG, EXT, FAT, GPT, HFS,
                       IHEX, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, QCOW2, RAR, 
                       RPM, SquashFS, UDF, UEFI, VDI, VHD, VMDK, WIM, XAR and Z.</LI>
    </UL>
  </LI>
  <LI>For ZIP and GZIP formats, <B>7-Zip</B> provides a compression ratio that 
      is 2-10 % better than the ratio provided by PKZip and WinZip</LI>
  <LI>Strong AES-256 encryption in 7z and ZIP formats</LI>
  <LI>Self-extracting capability for 7z format</LI>
  <LI>Integration with Windows Shell</LI>
  <LI>Powerful File Manager</LI>
  <LI>Powerful command line version</LI>
  <LI>Plugin for FAR Manager</LI>
  <LI>Localizations for 87 languages</LI>
</UL>

<P><B>7-Zip</B> works in Windows 10 / 8 / 7 / Vista / XP / 2012 / 2008 / 2003 / 2000 / NT.
There is a port of the command line version to Linux/Unix.</P>

<P>On <A href="http://sourceforge.net/projects/sevenzip/">7-Zip's SourceForge Page</A> 
you can find a forum, bug reports, and feature request systems.</P>

<H2>Compression ratio</H2>

<P>We compared <B>7-Zip</B> with WinRAR 5.20.</P>

<P><B>FILE SETS:</B> Mozilla Firefox 34.0.5 for Windows and Google Earth 6.2.2.6613 for Windows.</P>

<TABLE cellspacing ="2" cellpadding ="6">
  <TR>
    <TH class="Title" rowspan = 3>Archiver</TH>
    <TH class="Title" align="center" colspan = 2>Mozilla Firefox</TH>
    <TH class="Title" align="center" colspan = 2>Google Earth</TH>
  </TR>
  <TR>
    <TH class="Title" align="center" colspan = 2>65 files<BR>85 280 391 bytes</TH>
    <TH class="Title" align="center" colspan = 2>483 files<BR>110 700 519 bytes</TH>
  </TR>
  <TR>
    <TH class="Title" align="center">Compressed size</TH>
    <TH class="Title" align="center">Ratio</TH>
    <TH class="Title" align="center">Compressed size</TH>
    <TH class="Title" align="center">Ratio</TH>
  </TR>
  <TR>
    <TD class="Item"><B>7-Zip 9.35<BR>-mx</B></TD>
    <TD class="Item" align="center"><B>39 357 375</B></TD>
    <TD class="Item" align="center"><B>100%</B></TD>
    <TD class="Item" align="center"><B>15 964 369</B></TD>
    <TD class="Item" align="center"><B>100%</B></TD>
  </TR>
  <TR>
    <TD class="Item">WinRAR 5.20<BR>-m5 -s -ma5 -md128m</TD>
    <TD class="Item" align="center">41 789 543</TD>
    <TD class="Item" align="center">106%</TD>
    <TD class="Item" align="center">17 035 432</TD>
    <TD class="Item" align="center">107%</TD>
  </TR>
</TABLE>

<P>Compression ratio results are very dependent upon the data used for the tests. 
Usually, <B>7-Zip</B> compresses to 7z format 30-70% better than to zip format.
And <B>7-Zip</B> compresses to zip format 2-10% better than most of other zip compatible programs.</P>

</TD>
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<BR><BR>

<TABLE class=News cellpadding=3 cellspacing=1 border=0>
  <TR class=NewsHeader>
    <TD class=NewsTitle>7-Zip 15.14</TD>
    <TD class=NewsDate>2015-12-31</TD></TR>
  <TR class=News>
    <TD class=NewsText colSpan=2>
      <A href="http://sourceforge.net/p/sevenzip/discussion/45797/thread/09fd2931/">7-Zip 15.14</A><BR>
    </TD>
  </TR>
</TABLE>

<BR>

<TABLE class=News cellpadding=3 cellspacing=1 border=0>
  <TR class=NewsHeader>
    <TD class=NewsTitle>7-Zip 15.12</TD>
    <TD class=NewsDate>2015-11-19</TD></TR>
  <TR class=News>
    <TD class=NewsText colSpan=2>
      <A href="http://sourceforge.net/p/sevenzip/discussion/45797/thread/6cc0d82c/">7-Zip 15.12</A><BR>
    </TD>
  </TR>
</TABLE>

<BR>

<TABLE class=News cellpadding=3 cellspacing=1 border=0>
  <TR class=NewsHeader><TD class=NewsTitle colSpan=2>7-Zip ChangeLog</TD></TR>
  <TR class=News>
    <TD class=NewsText colSpan=2>
      <A href="/history.txt">History of 7-zip changes</A><BR>
    </TD>
  </TR>
</TABLE>

</TD>
</TR></TABLE>


<HR>
<P><SMALL>Copyright (C) 2016 Igor Pavlov. The site is hosted at <A href="https://www.digitalocean.com/?refcode=cab893b82fa8">Digital Ocean</A> </SMALL></P>
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