“ ~ ”(一个波浪字符)是一个搜索路径快捷方式，表示IBM Cognos 8 SDK应用程序用于身份验证的用户的帐户对象。

A "~" (single tilde) is a shortcut to the search path that represents the Account object of the user that the IBM Cognos 8 SDK application is using for authentication.

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可以在波浪号前面输入一个数字，表示希望改变多少个字母字符的大小写。

You can enter a numeric character prior to the tilde to denote how many alpha characters you want to change.

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在vi中，可以切换游标下的字母字符的大小写，方法是按escape，然后按波浪号键(~)。

You can switch the case of the alpha character underneath your cursor in vi the tilde key (~).

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