# WASD Hypertext Services - Environment Overview

## 1 - Introduction

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As of July 1997 High Frequency Radar Division (HFRD) underwent a change of role and name. It is now Wide Area Surveillance Division (WASD). This package has been renamed in accordance with that.

This document primarily written for use internal to WASD and assumes that perpsective without apology. Any additional usage is subordinate to its role within WASD. The hypertext software has been written expressly for supporting an intra-organisational hypertext environment on a VMS platform. It too, is unreservedly tailored to this purpose and the requirements of WASD.

The document assumes a basic understanding of hypertext technologies and uses some terms without explaining them (e.g. HTTP, HTML, URL, CGI, etc.) It is not a tutorial on writing HTML documents. The reader is refered to documents specifically on these topics (some are available on-line within WASD, but are often best consulted from the Internet WWW).

This document contains a number of on-line, hypertext demonstrations and examples.

WASD is using hypertext technologies (a.k.a. Web and WWW) to assist in providing an integrated and commonly-accessable information environment. The VMS implementation of this has gone to considerable lengths to integrate as much as possible, all forms of VMS information. This includes plain-text documents such as programming sources and environment/include files, release notes, etc., as well as non-plain-text information like HELP, Bookreader, etc.

The purpose of this document is to describe some of the facilities within the WASD VMS hypertext environment that can be used from within WASD HTML documents. The WASD VMS hypertext infrastructure conforms to all the basic conventions of Web technology, although having some facilities specific-to, or tailored-for its VMS environment.

Some of the online demonstrations may not work due to the local organisation of the hypertext environment differing from WASD where it was originally written.

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