如何隐藏“查看所有网站内容”
方法一:修改C:\Program Files\Common Files\Microsoft Shared\web server extensions\12\TEMPLATE\LAYOUTS\2052\STYLES下的core.css
在文件的最后添加如下代码:

方法二:
在你所要修改的节点添加
<SharePoint:SPSecurityTrimmedControl ID="SPSecurityTrimmedControl2" runat="server" PermissionsString="ManageSubwebs">
所需要隐藏的节点:例如<<SharePoint:SiteActions control>>
</SharePoint:SPSecurityTrimmedControl>
所需要隐藏的节点:例如<<SharePoint:SiteActions control>>
</SharePoint:SPSecurityTrimmedControl>
方法三:在一网站找到的解决方案
Hide/Remove the View All Site Content link in SharePoint