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IBM i: History & Measurement

IBM i, the i standing for integrated, is an operating system developed by IBM for IBM Power Systems. It was originally released in 1988 as OS/400, as the sole operating system of the IBM AS/400 line of systems. It was renamed to i5/OS in 2004, before being renamed a second time to IBM i in 2008. It is an evolution of the System/38 CPF operating system…

Language: English [EN]
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IBM i topic overview

The analysis highlights History and Measurement as prominent areas in the source structure around IBM i.

Related topics
93
Source areas
4
Connected nodes
97
Extracted relationships
207
Concept neighborhoods
29
Bridge connections
97

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.

Features · 45 topics
Architecture · 28 topics
Overview · 12 topics
History · 8 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
Default user interface
Text-based user interface
Developer
IBM
Initial release
August 26, 1988; 37 years ago (1988-08-26)
Kernel type
Monolithic
Latest release
7.6 / April 18, 2025; 16 months ago (2025-04-18)

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

History

Architecture

Features

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

How IBM i connects Entity context

The extracted context around IBM i shows recurring relationship patterns in the source. For example, IBM i → Advanced, Advanced/36, An MSP, AS/400, Control Storage Processor, CSP, Even, I/O, IBM, IBM's, Introduced, Machine, Main Storage Processor, MSP, On, OS/400, OS/400 SLIC, PowerPC AS, Prior, SLIC Another extracted example is IBM i → API, Certain Db2, Classic Query Engine, CQE, Data Description Specifications, Db2, DB2/400, DDM, DDS, Despite, Distributed Data Management Architecture, Distributed Relational Database Architecture, IBM, IBM Db2, IBM's, It, Query Dispatcher, Remote, SLIC, SQE. Use these groups to spot repeated connection types before inspecting the individual relationships.

IBM i

Top relations

related to Advanced 36 Machine · 33
IBM i → Advanced, Advanced/36, An MSP, AS/400, Control Storage Processor, CSP, Even, I/O, IBM, IBM's, Introduced, Machine, Main Storage Processor, MSP, On, OS/400, OS/400 SLIC, PowerPC AS, Prior, SLIC
related to Database management · 25
IBM i → API, Certain Db2, Classic Query Engine, CQE, Data Description Specifications, Db2, DB2/400, DDM, DDS, Despite, Distributed Data Management Architecture, Distributed Relational Database Architecture, IBM, IBM Db2, IBM's, It, Query Dispatcher, Remote, SLIC, SQE
related to Programming · 23
IBM i → AIX, BASIC, CL, COBOL, Compilers, Control Language, EGL, IBM, IBM XL, ILE, Java, OS/400 V5R2, Pascal, PASE, PL/I, Programming, REXX, RPG, Since, Smalltalk
related to Architecture · 19
IBM i → Advanced, AIX, Extended Control Program Facility, IBM, Later, Licensed Internal Code, Machine, Machine Interface, Operating System, Portable Application Solutions Environment, Private Address Space Environment, SLIC, System Licensed Internal Code, System/36 SSP, Technology Independent Machine Interface, The, These, TIMI, XPF
related to PASE · 17
IBM i → AIX, AIX Application Binary Interfaces, During, IBM, It, OS/400, PASE, Portable Applications Solutions Environment, Power, SLIC, Smalltalk, Teraspace, The, This, TIMI, V4R3, V4R5
related to Rebranding · 16
IBM i → As, AS/400, At, IBM, IBM Power Systems, In, In April, OS, OS V5R4, OS/400, POWER5, System, The, The AS/400, V5R3, V6R1
related to Technology Independent Machine Interface (TIMI) · 15
IBM i → All, Compilers, CPU, Everything, I/O, IBM, If, Instead, Program, The, The TIMI, This, TIMI, Unix, When
related to Security · 12
IBM i → Authorities, IBM, Related, Security, Security Administrator, Security Officer, System Operator, System Programmer, There, Unix-like, User, Workstation User
related to SLIC · 9
IBM i → HLIC, IBM, IBM Power, In, OS/400, The SLIC, TIMI, V3R6, VLIC
related to Storage · 8
IBM i → ASP, ASPs, By, IBM, If, In IBM, The, Unix/Linux

Important terminology

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

Important terminology

ibm system operating 400 os timi code systems interface machine slic 36 hardware pase instructions applications database user release 38

IBM i relationships Subject–Predicate–Object triples

TTTA extracted 207 structured relationships around IBM i. Examples in this analysis include IBM i → Available in → English and IBM i → Default user interface → Text-based user interface. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
IBM iAvailable inEnglish1.00infobox
IBM iDefault user interfaceText-based user interface1.00infobox
IBM iDeveloperIBM1.00infobox
IBM iInitial releaseAugust 26, 1988; 37 years ago (1988-08-26)1.00infobox
IBM iKernel typeMonolithic1.00infobox
IBM iLatest release7.6 / April 18, 2025; 16 months ago (2025-04-18)1.00infobox
IBM iLicenseProprietary1.00infobox
IBM iMarketing targetMinicomputer, midrange computer and enterprise server1.00infobox
IBM iOfficial websiteibm.com/products/ibm-i1.00infobox
IBM iOS familyIBM CPF1.00infobox
IBM iPackage managerRPM and YUM for open source packages1.00infobox
IBM iPreceded bySystem Support Program, Control Program Facility1.00infobox
IBM iSource modelClosed source1.00infobox
IBM iSupported platformsIBM AS/400, IBM Power Systems1.00infobox
IBM iUpdate methodProgram temporary fixes (PTFs)1.00infobox
IBM iWorking stateCurrent1.00infobox
IBM iWritten inC++, C, PL/MI, Java, Assembly language, Modula-2, PL/MP1.00infobox
IBM iis aentirely separate codebase to Db2 on other platforms0.90text

Related concept clusters Concept neighborhoods

The concept neighborhoods around IBM i bring nearby vocabulary together. In this analysis, examples include System, Systems and Operating. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • IBM i
    • System
    • Systems
    • Operating
    • Os
    • Integrated
    • Code
    • Slic
    • Timi
    • Provides
    • Access
    • Database
    • Native
  • ibm i
    • System
    • Systems
    • Operating
    • Os
    • Integrated
    • Code
    • Slic
    • Timi
    • Provides
    • Access
    • Database
    • Native
  • operating system
    • System
    • Code
    • Machine
    • Os
    • Instructions
    • Xpf
    • Level
    • Timi
    • Interface
    • Systems
    • Advanced
    • Hardware
  • ibm
    • System
    • Systems
    • Operating
    • Os
    • Integrated
    • Code
    • Slic
    • Timi
    • Provides
    • Access
    • Database
    • Native
  • ibm power systems
    • System
    • Systems
    • Operating
    • Os
    • Integrated
    • Code
    • Slic
    • Timi
    • Provides
    • Top
    • Xpf
    • Access
  • ibm as/400
    • System
    • Systems
    • Operating
    • Os
    • Integrated
    • Code
    • Slic
    • Timi
    • Provides
    • Access
    • Database
    • Native
  • system/38
    • Code
    • Machine
    • Os
    • Xpf
    • Level
    • Interface
    • Systems
    • Advanced
    • Applications
    • User
    • Security
    • Database
  • system/36
    • Code
    • Machine
    • Os
    • Xpf
    • Level
    • Interface
    • Systems
    • Advanced
    • Applications
    • User
    • Security
    • Database

Connections between topic areas Semantic bridges

For IBM i, one of the stronger structural bridges in this analysis connects IBM i with Features. 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
IBM i — Features · splits 52 ⟂ 46
IBM i — Architecture · splits 69 ⟂ 29
IBM i — Overview · splits 85 ⟂ 13
IBM i — History · splits 89 ⟂ 9

Map overview Semantic statistics

IBM i

Nodes98
Edges97
Triples207
Avg. degree1.98
Density0.020408
Components1

Source & methodology

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

Source: Wikipedia — IBM i · EN edition · Analysis: TopicsToTalkAbout

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