The OpenVMS User's Guide, Second Edition
A broad introductory overview of OpenVMS that focuses on command procedures, text editing and system utilities.
TABLE OF CONTENTS The OpenVMS User's Guide, Second Edition
Appendix E: Program Development on Open VMS Systems
Overview
Open VMS provides a common programming environment that permits the development of mixed-language application programs and portable programs, as well as application programs with distributed functions that run in client/server environments.
The software applications that you develop under the OpenVMS operating system involve building and modifying source code modules and compiling, linking, and executing the resulting program images (or executables). The components of an application program typically consist of a main program, shared libraries, functional routines, and a user interface.
The aim of this appendix is to point out the bare essentials needed to compile and run a program written in a programming language such as Pascal.
E.1 Software Development Tools
OpenVMS software tools that can aid you in the development of these applications include
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Language compilers, interpreters, and assemblers
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Linkers and debuggers
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Text processors and other program development utilities
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Callable system routines such as run-time routines, system services, and other utility routines
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Record management services (RMS) routines and utilities
Table E.1 lists several of the software tools that are available in the Open VMS environment.
Table E.1: Development Software Tools
| Type | Tools |
|---|---|
| Text processors | DEC text processing utility (DECTPU) |
| Extensible versatile editor (EVE) | |
| EDT editor | |
| Programming utilities | Linker |
| Open VMS debugger | |
| Other development utilities | Command definition utility |
| Librarian utility | |
| Message utility | |
| Callable system routines | Run-time library routines |
| System services | |
| Utility routines | |
| Record management services (RMS) routines and utilities |
E.2 Creating Program Source Files
The first step is to create (or...
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