WebDAV stands for "Web-based Distributed Authoring and Versioning" and is a set of extensions to the HTTP protocol which allow users to collaboratively edit and manage files on remote web servers.  WebDAV is sometimes shortened to DAV.

Since at least 1998, Internet Engineering Task Force (IETF) working groups have published RFCs on WebDAV and related issues. These publications are considered specifications for versioning, access control, searching, and ordering of resources. Many of the specifications have been implemented in software that is present in many open source and commercial offerings.

See webdav.org for more information. Also, search the web for articles about WebDAV in the popular computing press.

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