一、压缩和解压软件Winzip和WinRAR

　　替代者：7zip

　　先来看看Winzip和WinRAR的注册协议（节选）。

　　WinRAR

　　“这是一个试用版软件。任何人都可以在40天的测试期内使用它。如果你希望在测试过期之后继续使用 WinRAR，你必须购买一个许可。

　　它没有其它附加的许可费用。除了与创建和发布 RAR 压缩文件或自解压格式压缩文件相关的购买许可成本之外，没有其它附加许可费用。合法的注册用户可以使用他们的 RAR 副本制作发布压缩文件而无须任何附加的 RAR 版税。”

　　WinZip

　　“This is not free software. Subject to the terms below, you are hereby licensed by WinZip Computing LP ("WinZip Computing") to use for evaluation purposes only one (1) copy of WinZip, on one (1) computer or workstation, without charge, for a period of 45 days after you first install WinZip on any computer or workstation, during which period both the Standard and Pro features of the WinZip software will be accessible. If you want to use this software after the 45-day evaluation period, you must acquire from WinZip Computing for a fee a single-user license or multi-user license for WinZip. Refer to www.winzip.com for information about Standard and Pro license pricing, multi-user licensing, and ordering options. Use of WinZip after the expiration of the 45-day evaluation period without acquiring such a license from WinZip Computing is outside the scope of this License and a violation of U.S. and international copyright laws.”

图1 WINZIP、WinRAR和7-Zip，你用的哪一个？

　　有兴趣的朋友可以去详读。以下是结论。