OpenVMS

Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.

Map view:

Zoom: 100%

More settings

Connection length 100% Label size 100% Node size 100% Line width 100% Label width 100%

Export map as:

OpenVMS topic overview

The analysis highlights History, Architecture and Features as prominent areas in the source structure around OpenVMS. 1 topic appears in more than one source area, which can help identify connections that are less obvious in a linear reading.

Related topics: 224
Source areas: 5
Connected nodes: 230
Extracted relationships: 199
Related term clusters: 41
Bridge connections: 230

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

Overview · 84 topics

Features · 59 topics

History · 59 topics

Architecture · 21 topics

Hobbyist programs · 2 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Available in: English, Japanese. Historical support for Chinese (both Traditional and Simplified characters), Korean, Thai.
Default user interface: DCL CLI and DECwindows GUI
Developer: VMS Software Inc (VSI) (previously Digital Equipment Corporation, Compaq, Hewlett-Packard)
Influenced: VAXELN, MICA, Windows NT
Influenced by: RSX-11M
Initial release: Announced: October 25, 1977; 48 years ago (1977-10-25) V1.0 / August 1978; 48 years ago (1978-08)

Start with your topic. Discover where to go next.

Explore different angles and find fresh ideas to shape your next piece of content.

OpenVMS

8Multi-user · Multiprocessing · Virtual memory

4Ultrix · Windows NT · RSX-11

5Hewlett-Packard · Compaq · Intel

9Digital Equipment Corporation · 32-bit · PDP-11

7VAX-11/780 · Ported · DEC Alpha

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Hobbyist programs

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How OpenVMS connects Entity context

The extracted context around OpenVMS shows recurring relationship patterns in the source. For example, OpenVMS → Advanced Server, Apple Macintosh, BSD, DEC, DECnet Phase II, DECnet-Plus, DHCP, FTP, Itanium, Microsoft Windows, MS-DOS, OS/2, OSI-compatible Phase, PATHWORKS, PCSA, Personal Computer Systems Architecture, Phase IV DECnet, Samba, SMTP, SSH Another extracted example is OpenVMS → Alpha, Alpha PALcode, Compaq, Compaq's, DWARF, EFI, Executable, Extensible Firmware Interface, Hewlett-Packard, HP, HP OpenVMS Industry Standard, HPE Integrity Servers, IEEE, Integrity Servers, Intel Itanium, Itanium, January, Linkable Format, OpenVMS Alpha, OpenVMS I64. Use these groups to spot repeated connection types before inspecting the individual relationships.

Top relations

related to Networking · 29

OpenVMS → Advanced Server, Apple Macintosh, BSD, DEC, DECnet Phase II, DECnet-Plus, DHCP, FTP, Itanium, Microsoft Windows, MS-DOS, OS/2, OSI-compatible Phase, PATHWORKS, PCSA, Personal Computer Systems Architecture, Phase IV DECnet, Samba, SMTP, SSH

related to Port to Intel Itanium · 21

OpenVMS → Alpha, Alpha PALcode, Compaq, Compaq's, DWARF, EFI, Executable, Extensible Firmware Interface, Hewlett-Packard, HP, HP OpenVMS Industry Standard, HPE Integrity Servers, IEEE, Integrity Servers, Intel Itanium, Itanium, January, Linkable Format, OpenVMS Alpha, OpenVMS I64

related to Hobbyist programs · 20

OpenVMS → Alpha, April, CLP, Community License Program, HPE, HPE Hobbyist Program, In March, Integrity, July, OpenVMS Hobbyist Program, OpenVMS VAX, Prior, Process Software, SIMH, Since, The CLP, VAX, VSI, VSI OpenVMS, VSI's

related to POSIX compatibility · 17

OpenVMS → Amongst, Bash, Bourne, DEC, DEC/Shell, Eunice, Examples, GNU, GNU's, GNV, KornShell, POSIX, Unix, Various, VAX/VMS, Version, VMS

related to File system · 16

OpenVMS → ANSI, CD-ROMs, DEC, Files-11, Files-11 On-Disk Structures, GFS2, ISO, ODS, ODS-2, ODS-5, QIO, Record Management Services, RMS, Spiralog, TiB, VMS

related to Port to x86-64 · 16

OpenVMS → Alpha, Dell, HP, HPE, Hyper-V, Initial, Intel Atom-based, Itanium, KVM, OpenVMS V8, Support, VirtualBox, VMware, VSI, VSI's, When VMS Software Inc

related to Security · 11

OpenVMS → ACLs, Class B1, Common Criteria, Criteria Class C2, ITSEC E3, NCSC, Passwords, Purdy Polynomial, SEVMS, Specific, Trusted Computer System Evaluation

related to Command Language Interpreter · 9

OpenVMS → An OpenVMS Command Language, CLI, DIGITAL Command Language, Interpreter, OpenVMS CLI, OpenVMS CLIs, Unix, Unlike Unix, Whereas

related to Clustering · 8

OpenVMS → Cluster Interconnect, Clustered, Communication, Ethernet LAN, Nodes, Planned, VAXcluster, VMScluster

related to Architecture · 6

OpenVMS → Command Language Interpreter, Executive, RTLs, The OpenVMS, Unprivileged, VAX

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

vms vax system alpha dec operating software code systems itanium architecture x86-64 support port kernel release user named using data

OpenVMS relationships Subject–Predicate–Object triples

TTTA extracted 199 structured relationships around OpenVMS. Examples in this analysis include OpenVMS → Available in → English, Japanese. Historical support for Chinese (both Traditional and Simplified characters), Korean, Thai. and OpenVMS → Default user interface → DCL CLI and DECwindows GUI. The table shows each extracted connection, where it came from and its confidence.

Subject	Predicate	Object	Confidence	Src
OpenVMS	Available in	English, Japanese. Historical support for Chinese (both Traditional and Simplified characters), Korean, Thai.	1.00	infobox
OpenVMS	Default user interface	DCL CLI and DECwindows GUI	1.00	infobox
OpenVMS	Developer	VMS Software Inc (VSI) (previously Digital Equipment Corporation, Compaq, Hewlett-Packard)	1.00	infobox
OpenVMS	Influenced	VAXELN, MICA, Windows NT	1.00	infobox
OpenVMS	Influenced by	RSX-11M	1.00	infobox
OpenVMS	Initial release	Announced: October 25, 1977; 48 years ago (1977-10-25) V1.0 / August 1978; 48 years ago (1978-08)	1.00	infobox
OpenVMS	Kernel type	Monolithic kernel with loadable modules	1.00	infobox
OpenVMS	Latest release	V9.2-3 / November 20, 2024; 21 months ago (2024-11-20)	1.00	infobox
OpenVMS	License	Proprietary	1.00	infobox
OpenVMS	Marketing target	Servers (historically Minicomputers, Workstations)	1.00	infobox
OpenVMS	Official website	vmssoftware.com	1.00	infobox
OpenVMS	Package manager	PCSI and VMSINSTAL	1.00	infobox
OpenVMS	Source model	Closed-source with open-source components. Formerly source available	1.00	infobox
OpenVMS	Supported platforms	VAX, Alpha, Itanium, x86-64	1.00	infobox
OpenVMS	Update method	Concurrent upgrades, rolling upgrades	1.00	infobox
OpenVMS	Working state	Current	1.00	infobox
OpenVMS	Written in	Primarily C, BLISS, VAX MACRO, DCL. Other languages also used.	1.00	infobox
OpenVMS	is a	DIGITAL Command Language	0.90	text

Related concept clusters Related term clusters

The concept neighborhoods around OpenVMS bring nearby vocabulary together. In this analysis, examples include Releases, Itanium and Alpha. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

itanium
- Port
- X86-64
- Openvms
- Architecture
- Software
- Decwindows
- Releases
- Dcl
- Management
- Kernel
- Used
- Also
x86-64
- Port
- Itanium
- Running
- Alpha
- Architecture
- Systems
- Software
- Hardware
- Openvms
- Dcl
- Supported
- Decwindows
graphical user interface
- Interface
- User
- Services
- Management
- Access
- Running
- System
- Kernel
- X86-64
- Using
- Named
- Support
visual studio code
- Executive
- Kernel
- System
- Services
- Access
- Running
- Operating
- Using
- Openvms
- Vax
- Used
- Data
text-based user interface
- Interface
- User
- Services
- Management
- Access
- Running
- System
- Kernel
- X86-64
- Using
- Named
- Support
open software foundation
- X86-64
- Itanium
- Port
- Architecture
- Vax
- Available
- Also
- Named
- Vms
- Executive
- Running
- Supported
vax macro
- Vms
- Alpha
- Architecture
- Dcl
- Software
- Release
- Unix
- Hardware
- Kernel
- Also
- Itanium
- Named
vax
- Vms
- Alpha
- Architecture
- Dcl
- Software
- Release
- Unix
- Hardware
- Kernel
- Also
- Itanium
- Named

Connections between topic areas Semantic bridges

For OpenVMS, one of the stronger structural bridges in this analysis connects OpenVMS with Overview. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3

OpenVMS — Overview · splits 146 ⟂ 85

OpenVMS — History · splits 171 ⟂ 60

OpenVMS — Features · splits 171 ⟂ 60

OpenVMS — Architecture · splits 209 ⟂ 22

OpenVMS — Hobbyist programs · splits 228 ⟂ 3

Map overview Semantic statistics

OpenVMS

Nodes231

Edges230

Triples199

Avg. degree1.99

Density0.008658

Components1

Source & methodology

TTTA analyzes the structure around OpenVMS to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History, Architecture & Features, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — OpenVMS · EN edition · Analysis: TopicsToTalkAbout

OpenVMS: History, Architecture & Features

OpenVMS topic overview

What this topic covers Research coverage

Key facts & relationships

Start with your topic. Discover where to go next.

Questions to explore

Explore all related topics Closing gaps

Overview

History

Architecture

Features

Hobbyist programs

For the semantics nerds

Advanced semantic analysis

How OpenVMS connects Entity context

OpenVMS

Top relations

Important terminology

Important terminology

OpenVMS relationships Subject–Predicate–Object triples

Related concept clusters Related term clusters

Connections between topic areas Semantic bridges

Map overview Semantic statistics

OpenVMS

Source & methodology