OpenCms Documentation


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Documented since: 9.5 Latest revision for: 9.5 Valid for OpenCms: 13.0

Background topics do not explain a special feature or API. They explain how OpenCms is designed. These topics may be good to read for administrators and template developers. Read them to get a "feeling" of how OpenCms works.

Background topics

To use OpenCms efficiently, it is useful to have some basic knowledge on how OpenCms works and what are the main concepts. Background topics provide such information. They can be useful for beginners, but also for advanced users. They are not focused on a special feature, but explain concepts.

  • The topic provides the most important information on how OpenCms stores resources. It clarifies the difference between "offline" and "online", root and subsite, shared and individual properties.

  • OpenCms has a clear concept of content and a strict separation of content and layout. We explain the concept of content and the OpenCms idea of how to get content into web pages.

  • Get information on how permissions are handled in OpenCms and where you can set permissions.