# Journaled File System

> file system

**Wikidata**: [Q1455872](https://www.wikidata.org/wiki/Q1455872)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/JFS_(file_system))  
**Source**: https://4ort.xyz/entity/journaled-file-system

## Summary
Journaled File System (JFS) is a file system developed by IBM, an American multinational technology corporation. Created in 1990, it serves as a concrete format or program for storing files and directories on data storage devices. It is also known by the aliases JFS2 and IBM JFS.

## Key Facts
*   **Developer:** IBM (American multinational technology corporation).
*   **Inception:** 1990.
*   **Classification:** Instance of a file system (defined as a concrete format or program for storing files and directories on a data storage device).
*   **Aliases:** JFS, JFS2, IBM JFS.
*   **Wikipedia Title:** JFS (file system).
*   **Freebase ID:** /m/0dbx0.
*   **Pro Linux ID:** 89.
*   **Wiki Coverage:** Available in multiple languages including English, Arabic, German, Spanish, French, Italian, and Japanese.

## FAQs
### Q: Who developed the Journaled File System?
A: The Journaled File System was developed by IBM, a major technology corporation based in the United States.

### Q: When was JFS created?
A: JFS was developed in 1990.

### Q: What type of software is JFS?
A: JFS is a file system, which functions as a concrete format or program for storing files and directories on a data storage device.

## Why It Matters
The Journaled File System matters as a specific implementation of data storage architecture developed by one of the world's leading technology corporations, IBM. As a file system, it plays a critical role in the fundamental organization of data, determining how files and directories are stored, read, and managed on storage devices. Its creation in 1990 places it among the established technologies in the history of computing storage solutions.

The system's presence across various operating systems and documentation platforms—including Arch Wiki and Gentoo Wiki—indicates its sustained relevance in the open-source and server communities. By providing a structured method for data storage, JFS contributes to the reliability and accessibility of digital information, serving as a foundational component in the computing stacks where it is deployed.

## Notable For
*   **Corporate Lineage:** Developed by IBM, a foundational entity in the computer industry and software industry.
*   **Longevity:** Originated in 1990, demonstrating decades of existence in the technology sector.
*   **Broad Documentation:** Maintains articles across numerous Wikipedia languages (ar, cs, de, en, es, eu, fi, fr, it, ja) and specialized Linux wikis (Arch, Gentoo).
*   **Standard Classification:** Defined strictly as a format for storing files and directories.

## Body

### Development and Origin
The Journaled File System (JFS) is a proprietary technology originating from IBM. IBM, an American multinational technology corporation founded in 1911, developed JFS with an inception date of 1990. IBM is headquartered in Armonk, New York, and operates within the software and computer industries.

### Technical Definition
JFS is classified as a "file system." In the context of computing, a file system is defined as a concrete format or program utilized for storing files and directories on a data storage device. It organizes data to enable efficient retrieval and storage.

### Identifiers and Aliases
The entity is recognized by several identifiers and aliases across knowledge bases:
*   **Aliases:** JFS, JFS2, IBM JFS.
*   **Freebase ID:** /m/0dbx0.
*   **Pro Linux DBApp ID:** 89.
*   **Wikidata Description:** file system.

### Documentation and Community Presence
The file system has a significant presence in technical documentation and community wikis.
*   **Wikipedia:** The primary article is titled "JFS (file system)," with versions available in at least 10 languages including English, German (de), French (fr), and Japanese (ja).
*   **ArchWiki:** An article exists titled "JFS" (English).
*   **Gentoo Wiki:** Articles exist in English ("JFS") as well as Italian, Hungarian, Russian, Simplified Chinese, and Japanese.

## References

1. Freebase Data Dumps. 2013