# Knowledge base

The *Knowledge base* tab is used to show or add linked knowledge base articles.

You cannot create an article from this tab. To create a new article <a href="../modules/tools/knowledgebase" class="button secondary"> go to knowledge base</a>

![Viewing knowledge base entry](https://3503800744-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIiEHKRx5AeABNDLcRlWX%2Fuploads%2FcbGXZiWR4DUya6opfzc2%2Fknowledgebase_item.png?alt=media\&token=5958fd8d-8f4e-426e-9827-1955e1fe2ef7)

From this window, you can link an existing article to a GLPI object. However, it is not possible to create an article from this section.

## Link an article

* To link an article, you just need to select it in the dropdown lit
* Click on **Add**

![adding a knowledge base entry](https://3503800744-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIiEHKRx5AeABNDLcRlWX%2Fuploads%2FnpSm1UgSDeRdWW29Bcva%2Fknowledgebase-add.png?alt=media\&token=e4c60575-0676-446d-9e71-ca2179e0de99)

## Unlink an article

* To unlik an article, you need to use the massive action. Click on the **checkbox** of the item(s) you wish to remove
* Click on **Actions**
* Select **Delete permanently the relation with selected elements**
* Click on **Post**

![deleting a knowledge base entry](https://3503800744-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FIiEHKRx5AeABNDLcRlWX%2Fuploads%2Fq1nONc2DwVlGB8CUlb4y%2Fknowledgebase-delete.png?alt=media\&token=74f7889b-6ec3-4c7e-93b4-9ec03994fe56)