Library services
Library services are common document management functions for controlling the users through permissions, for creating multiple instances of a document (versioning), and for providing users with access into a document to make the changes (checking-in or checking-out).
Versioning
So far, you have learned about creating spaces, adding files, and editing them. You might have more than one person who can edit a document. What if somebody edits a document and removes a useful piece of information? Well, you can make use of the versioning features of Alfresco to resolve such issues.
Versioning allows the history of previous versions of a content to be kept. The content needs to be Versionable, in order for versions to be kept. You can enable versioning in four different ways:
Individually: To enable versioning for an individual content object item, go to the View Details page and click on the Allow Versioning link. The screenshot on the next page illustrates how to enable versioning...
