# IBM 7090/94 IBSYS

> early-to-mid 1960s operating system for the scientific line of IBM mainframes

**Wikidata**: [Q620465](https://www.wikidata.org/wiki/Q620465)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/IBM_7090/94_IBSYS)  
**Source**: https://4ort.xyz/entity/ibm-7090-94-ibsys

## Summary
IBSYS is an early-to-mid 1960s operating system developed by IBM for the scientific line of IBM mainframes, specifically the IBM 7090 and IBM 709. It was based on the SHARE Operating System and distributed by IBM in 1960.

## Key Facts
- Developed by IBM, an American multinational technology corporation founded in 1911
- Based on the SHARE Operating System, which was created in 1959
- Runs on IBM 7090 and IBM 709 mainframe computers
- Distributed in hard disk format
- Originated in the United States
- Available in English language
- Has Wikipedia pages in English, Japanese, Korean, and Ukrainian
- Freebase ID: /m/05mxq8

## FAQs
### Q: What is IBSYS?
A: IBSYS is an early-to-mid 1960s operating system developed by IBM for the scientific line of IBM mainframes, specifically the IBM 7090 and IBM 709. It was based on the SHARE Operating System and distributed by IBM in 1960.

### Q: What computers does IBSYS run on?
A: IBSYS runs on IBM 7090 and IBM 709 mainframe computers, which were vacuum tube computer systems.

### Q: When was IBSYS developed?
A: IBSYS was developed in the early-to-mid 1960s, with a publication date of 1960.

## Why It Matters
IBSYS represents an important milestone in the evolution of operating systems for scientific computing. As one of IBM's early operating systems for their scientific mainframe line, it helped establish the foundation for more advanced operating systems that would follow. The system was specifically designed to handle the complex computational needs of scientific and engineering applications, which were becoming increasingly important in the 1960s. By building on the SHARE Operating System, IBM was able to leverage existing knowledge and create a more robust platform for their scientific customers. The development of IBSYS also demonstrates IBM's commitment to providing comprehensive software solutions alongside their hardware offerings, a strategy that would become increasingly important in the computer industry.

## Notable For
- One of the first operating systems specifically designed for scientific computing on IBM mainframes
- Based on the SHARE Operating System, showing IBM's collaboration with user groups
- Distributed in hard disk format, representing an advancement in software distribution methods
- Available in multiple languages, indicating IBM's international market focus
- Part of IBM's broader strategy to provide complete computing solutions

## Body
### Development and Background
IBSYS was developed by IBM in the early-to-mid 1960s as an operating system for their scientific mainframe computers. The system was created during a period of rapid advancement in computer technology, when operating systems were becoming increasingly important for managing complex computing tasks.

### Technical Specifications
The operating system was designed to run on IBM's 7090 and 709 mainframe computers. These were vacuum tube computer systems, representing the state-of-the-art technology of the time. The 709 was introduced in 1957, while the 7090 came later as an improved version.

### Relationship to SHARE Operating System
IBSYS was based on the SHARE Operating System, which was created in 1959. SHARE was an early computer user group that developed software for IBM computers. By building on this foundation, IBM was able to create a more robust and feature-rich operating system for their scientific customers.

### Distribution and Availability
The operating system was distributed by IBM in hard disk format, which was an advancement in software distribution methods at the time. IBSYS was available in English and had Wikipedia pages in multiple languages including English, Japanese, Korean, and Ukrainian, indicating its international reach.

### Historical Context
IBSYS was developed during a crucial period in computing history when scientific and engineering applications were driving much of the demand for advanced computing capabilities. The system represents IBM's response to this market need and their strategy of providing comprehensive computing solutions.