When clearing history, you have a number of
When you installed OpenCms, historical versions of all of the OpenCms default content were created. Clearing the history may result in clearing versions of those files. This is OK, as there is not necessarily a reason to keep this history information in the database, but it may be surprising to see that the history has been deleted for files that you have never edited. Link Validation The sixth screen in the administration view is called Link Validation. This screen contains tools for verifying hyperlinks contained in Page-type files in the VFS. This screen has two buttons, Internal Link Validation for verifying links to resources on the same server and External Link Validation for verifying links to some other server. The Link Validation screen is one of only two tools available to anyone in the Users group. (The other is the Gallery Overview screen.) Users who are not administrators or project managers can access the Link Validation screen and validate links on their own. If you are working with the Online project, the links for currently published resources are checked. If you are working with the Offline project or one of its sub-projects, links in documents in the Offline project are checked. Internal Link Validation Clicking on the Internal Link Validation button brings up the screen for testing links whose destination is within this instance of OpenCms. This validation tool will make sure that the link points to a resource that exists in the VFS. It tests links to images and downloads as well as links to other files.
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