# Preface

This guide describes how to install Digital Fortran on VAX processors that are running the OpenVMS VAX operating system.

Keep this document with your distribution kit. You will need it to install maintenance updates or to reinstall Digital Fortran for any other reason.

This manual applies to Version 6.4 of Digital Fortran and all subsequent minor releases until a revised installation guide is issued. (The major version number is the digit to the left of the decimal point, and the minor version number is the digit to the right of the decimal point.)

# Intended Audience

This guide is intended for system managers who install Digital Fortran.

# Structure of this Document

This guide contains the following chapters:

- Chapter 1 describes the hardware and software requirements for Digital Fortran installation. It also lists related procedures that you must complete before installing Digital Fortran.

- Chapter 2 describes how to install Digital Fortran and includes example installations.

- Chapter 3 describes post-installation procedures and considerations.

# Associated Documents

In addition to this guide, the Digital Fortran documentation set includes the following books:

- DEC Fortran Language Reference Manual

- DEC Fortran User Manual for OpenVMS VAX Systems

- DEC Fortran Performance Guide for OpenVMS VAX Systems

- A letter titled Read Before Installing or Using Digital Fortran Version n.n for OpenVMS VAX Systems ("read first" cover letter)

- Digital Fortran online release notes

For the location of the Digital Fortran "read first" cover letter and the release notes, see Section 1.1.

Once installed, you can use Digital Fortran online HELP, which describes the FORTRAN command qualifiers, explains run-time messages, and provides a quick- reference summary of language topics. To use online HELP, enter the command:

    $ HELP FORTRAN

The following manuals in the OpenVMS VAX documentation set contain information relevant to installing software:

- OpenVMS System Manager's Manual, which includes:

  - OpenVMS System Manager's Manual: Essentials

  - OpenVMS System Manager's Manual: Tuning, Monitoring, and Complex Systems

- OpenVMS License Management Utility Manual

- Guide to OpenVMS Performance Management

- POLYCENTER Software Installation Utility User's Guide

For help understanding OpenVMS system error messages, see the OpenVMS System Messages and Recovery Procedures Reference Manual or the online HELP/MESSAGE facility.

# Sending Digital Your Comments on This Manual

We welcome your comments on this or any other Digital (or DEC) Fortran manual. You can send comments in the following ways:

- Internet electronic mail: `fortran_ docs@zko.mts.dec.com`

- FAX: `603-881-0120 Attn: Languages Documentation, ZKO2-3/K35`

- A completed Reader's Comments card (postage paid, if mailed in the United States) located at the back of each printed Digital (or DEC) Fortran manual.

- A letter addressed to:

      Digital Equipment Corporation
      Languages Documentation, ZK02-3/K35
      110 Spit Brook Road
      Nashua, NH  03062-2698
      USA

- The online questionnaire form. Send the form located near the end of the online release notes to our Internet address or send it by Internet mail, FAX, or through the postal service.

If you have suggestions for improving a particular section or find any errors, please indicate the title, order number, and section (if available). Digital also welcomes general comments.

# Getting Help from Digital

If you have a customer support contract and have comments or questions about Digital Fortran software, you can contact Digital's Customer Support Center (CSC), preferably using electronic means such as DSNlink. In the United States, customers can call the CSC at 1-800-354-9000 (see Section 3.11).

You can also send questions by Internet electronic mail to `fortran@digital.com` .

# Conventions

Table 1 lists the conventions used in this document.

### Table 1 Conventions Used in This Document

Convention | Meaning
--- | ---
UPPERCASE_TEXT | Uppercase letters indicate the name of a command, a file, a parameter, a procedure, or utility.
$ RUN SYS$SYSTEM:SYSMAN | In interactive examples, prompts and displayed text appear in a monospaced font. User input appears in bold.
$ | The dollar sign indicates the DCL prompt. This prompt may be different on your system.
Ctrl/x | In interactive examples, a sequence such as Ctrl/x indicates that you must hold down the key labeled Ctrl while you press another key or a pointing device button; for example, Ctrl/C or Ctrl/Z.
<Return> | In code examples, a boxed key name indicates that you press a key on a keyboard.
[YES] | Square brackets indicate that the enclosed item is a default value in an installation prompt. Also, square brackets serve as delimiters for a directory name in a file specification.
VMS, OpenVMS | These terms refer to the OpenVMS VAX operating system unless otherwise specified.

In this manual, some version numbers are given as "Vn.n". When you install Digital Fortran, the actual version numbers appear on your screen. 1

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Copyright © 1996, Digital Equipment Corporation -- All rights reserved.