# PC-DOS 360K format

> floppy disk format

**Wikidata**: [Q29167905](https://www.wikidata.org/wiki/Q29167905)  
**Source**: https://4ort.xyz/entity/pc-dos-360k-format

## Summary
PC-DOS 360K format is a floppy disk format with a maximum capacity of 360 kibibytes, used by early IBM-compatible personal computers. It was a standard logical and physical layout for storing data on 5.25-inch floppy disks in the 1980s and early 1990s.

## Key Facts
- **Instance of**: Floppy disk format
- **Maximum capacity**: 360 kibibytes
- **Physical medium**: 5.25-inch floppy disks
- **Common use**: Early IBM-compatible personal computers
- **Time period**: 1980s–early 1990s
- **Wikidata description**: Floppy disk format
- **Wikipedia page ID**: PC-DOS_360K_format

## FAQs
### Q: What was the primary use of the PC-DOS 360K format?
A: The PC-DOS 360K format was primarily used by early IBM-compatible personal computers to store data on 5.25-inch floppy disks.

### Q: How much data could the PC-DOS 360K format store?
A: The format had a maximum capacity of 360 kibibytes, which was a standard size for early floppy disk storage.

### Q: When was the PC-DOS 360K format commonly used?
A: The format was commonly used in the 1980s and early 1990s, coinciding with the rise of IBM-compatible personal computers.

## Why It Matters
The PC-DOS 360K format was a foundational storage solution for early personal computers, enabling users to save and transfer data on portable 5.25-inch floppy disks. It played a crucial role in the software distribution and early computing ecosystem, allowing users to load and run programs on IBM-compatible systems. As one of the first standardized floppy disk formats, it helped establish the physical and logical structure that later formats built upon. Its 360 kibibyte capacity was a practical balance between storage needs and the limitations of early hardware, making it a key component in the transition from mainframe to personal computing.

## Notable For
- **Standard capacity**: One of the first widely adopted floppy disk formats with a 360 kibibyte capacity.
- **IBM compatibility**: Supported by early IBM-compatible personal computers, ensuring broad adoption.
- **Early software distribution**: Enabled the distribution of software on portable media before larger storage options became common.
- **5.25-inch standard**: Used the widely accepted 5.25-inch floppy disk size, facilitating compatibility across systems.
- **Predecessor to later formats**: Influenced the development of subsequent floppy disk formats with higher capacities.

## Body
### Overview
The PC-DOS 360K format was a floppy disk format used by early IBM-compatible personal computers. It had a maximum capacity of 360 kibibytes and was stored on 5.25-inch floppy disks. The format was widely used in the 1980s and early 1990s, coinciding with the rise of personal computing.

### Technical Specifications
- **Capacity**: 360 kibibytes
- **Physical medium**: 5.25-inch floppy disks
- **Logical layout**: Standardized for early IBM-compatible systems
- **Time period**: 1980s–early 1990s

### Historical Context
- **IBM compatibility**: Supported by early IBM-compatible personal computers, ensuring broad adoption.
- **Software distribution**: Enabled the distribution of software on portable media before larger storage options became common.
- **Predecessor to later formats**: Influenced the development of subsequent floppy disk formats with higher capacities.

### Significance
- **Foundational storage**: Played a crucial role in the software distribution and early computing ecosystem.
- **Standardization**: Helped establish the physical and logical structure that later formats built upon.
- **Practical balance**: Provided a practical balance between storage needs and the limitations of early hardware.