# Advanced Disc Filing System

> file system implemented in Acorn and RISC OS computers

**Wikidata**: [Q379528](https://www.wikidata.org/wiki/Q379528)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Advanced_Disc_Filing_System)  
**Source**: https://4ort.xyz/entity/advanced-disc-filing-system

## Summary
The Advanced Disc Filing System (ADFS) is a file system implemented in Acorn and RISC OS computers, designed to manage files and directories on data storage devices. It was developed as part of the Acorn MOS and RISC OS operating systems, providing a structured way to store and retrieve data on discs.

## Key Facts
- Inception: 1983
- Aliases: ADFS, Acorn Disc File System
- Instance of: File system
- Operating systems: Acorn MOS, RISC OS
- Wikipedia languages: de, en, ru
- Freebase ID: /m/098_c7
- Wikipedia title: Advanced Disc Filing System
- File format wiki page ID: ADFS
- Sitelink count: 3

## FAQs
### Q: What is the Advanced Disc Filing System (ADFS)?
A: ADFS is a file system implemented in Acorn and RISC OS computers, designed to manage files and directories on data storage devices. It was developed as part of the Acorn MOS and RISC OS operating systems.

### Q: When was ADFS created?
A: ADFS was created in 1983, as part of the development of file systems for Acorn computers.

### Q: What operating systems use ADFS?
A: ADFS is used by Acorn MOS and RISC OS operating systems, which were developed for Acorn computers.

## Why It Matters
The Advanced Disc Filing System (ADFS) is significant because it provided a reliable and efficient way to manage files and directories on disc-based storage for Acorn computers. As a core component of both Acorn MOS and RISC OS, ADFS enabled users to organize, store, and retrieve data effectively, which was essential for the functionality of these early personal computers. Its development in 1983 marked an important step in the evolution of file systems for home and educational computing, particularly in the UK, where Acorn computers were widely used. ADFS helped standardize data management on Acorn platforms, contributing to the overall usability and success of these systems in schools, homes, and small businesses.

## Notable For
- Being the primary file system for Acorn MOS and RISC OS operating systems
- Providing structured data management on disc-based storage for early Acorn computers
- Supporting multiple languages on Wikipedia (de, en, ru), indicating international recognition
- Serving as a foundational technology for educational and personal computing in the UK
- Maintaining relevance through its integration with RISC OS, which continues to be used by enthusiasts

## Body
### Development and Inception
ADFS was developed in 1983 as a file system for Acorn computers, specifically for use with the Acorn MOS and later RISC OS operating systems. Its creation was part of Acorn's broader effort to provide robust computing solutions for education and personal use.

### Technical Role
As a file system, ADFS is responsible for organizing and managing files and directories on data storage devices. It provides the underlying structure that allows operating systems to store, retrieve, and manage data efficiently on discs.

### Operating System Integration
ADFS is tightly integrated with both Acorn MOS and RISC OS. Acorn MOS, the earlier operating system, and RISC OS, introduced in 1987, both rely on ADFS for their file management capabilities. This integration ensured consistent data handling across different generations of Acorn hardware.

### Legacy and Recognition
ADFS is recognized internationally, with Wikipedia pages available in German, English, and Russian. Its inclusion in Freebase and its own Wikipedia page highlight its importance in the history of computing, particularly within the Acorn ecosystem. The system remains notable among retro computing enthusiasts and those interested in the history of educational technology.