# IBM Disk BASIC

> variant of Microsoft BASIC shipped with IBM PC in 1981, with support for disk drive access

**Wikidata**: [Q10299315](https://www.wikidata.org/wiki/Q10299315)  
**Source**: https://4ort.xyz/entity/ibm-disk-basic

## Summary
IBM Disk BASIC was a variant of Microsoft BASIC included with the IBM PC in 1981, designed to support disk drive access. It was one of the first programming languages to offer built-in support for disk storage, making it a key tool for early PC users.

## Key Facts
- **Instance of**: Programming language
- **First released**: 1981 (with the IBM PC)
- **Based on**: Microsoft BASIC
- **Primary feature**: Disk drive access support
- **Platform**: IBM Personal Computer
- **Wikipedia availability**: Portuguese (pt) only
- **Wikidata description**: Variant of Microsoft BASIC shipped with IBM PC in 1981, with support for disk drive access

## FAQs
### Q: What was IBM Disk BASIC used for?
A: IBM Disk BASIC was used to write and run programs on the IBM PC, particularly those requiring disk storage. It provided basic programming capabilities with support for floppy disk operations.

### Q: How did IBM Disk BASIC differ from standard BASIC?
A: Unlike standard BASIC, IBM Disk BASIC included built-in commands for accessing disk drives, making it easier to save and load programs directly to storage media.

### Q: Was IBM Disk BASIC proprietary?
A: Yes, IBM Disk BASIC was a proprietary variant of Microsoft BASIC, bundled exclusively with IBM PC systems.

## Why It Matters
IBM Disk BASIC played a crucial role in the early adoption of personal computing by providing users with a programming language that could interact with disk storage. At a time when most computers relied on cassette tapes for data storage, IBM Disk BASIC enabled users to save and retrieve programs more efficiently. This made it a practical tool for developers and hobbyists, contributing to the growth of the IBM PC ecosystem. Its inclusion of disk support also reflected the increasing demand for persistent storage solutions in early microcomputers.

## Notable For
- **First major BASIC variant for disk storage**: One of the first programming languages to integrate disk drive support into BASIC.
- **IBM PC ecosystem**: Bundled exclusively with the IBM Personal Computer, reinforcing its role in early PC software.
- **Wikidata recognition**: Documented in Wikidata with a specific description, indicating its historical significance.
- **Limited language support**: Only available in Portuguese Wikipedia, reflecting its niche status in global computing history.

## Body
### Origins and Release
IBM Disk BASIC was introduced in 1981 alongside the IBM Personal Computer, marking a significant step in personal computing by offering disk storage compatibility. It was based on Microsoft BASIC but included additional commands for disk operations, such as saving and loading files to floppy disks.

### Technical Features
The language supported standard BASIC syntax while adding disk-related functions, making it more versatile than earlier versions. This made it easier for users to manage programs and data without relying on external storage devices.

### Historical Context
At the time, most personal computers used cassette tapes for data storage, which were slow and prone to errors. IBM Disk BASIC addressed this limitation by enabling direct disk access, improving efficiency and user experience.

### Legacy
While later versions of BASIC and more advanced programming languages emerged, IBM Disk BASIC remains a notable example of early PC software that bridged the gap between basic programming and practical storage solutions. Its inclusion in the IBM PC’s initial software suite underscores its importance in shaping early computing practices.