# SHARE Operating System

> IBM operating system

**Wikidata**: [Q7390171](https://www.wikidata.org/wiki/Q7390171)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/SHARE_Operating_System)  
**Source**: https://4ort.xyz/entity/share-operating-system

## Summary
The SHARE Operating System was an IBM operating system developed in 1959 for the IBM 709 and IBM 7090 mainframe computers. It was created by the SHARE organization, a group of IBM users, and was based on the earlier GM-NAA I/O system.

## Key Facts
- Developed in 1959 by the SHARE organization
- Ran on IBM 709 and IBM 7090 mainframe computers
- Based on the earlier GM-NAA I/O operating system
- Designed for scientific computing applications
- Part of IBM's early operating system lineage for mainframes
- Developed by a user group (SHARE) rather than IBM itself
- Preceded IBM's proprietary IBSYS operating system

## FAQs
### Q: What was the SHARE Operating System used for?
A: The SHARE Operating System was primarily used for scientific computing applications on IBM 709 and IBM 7090 mainframe computers.

### Q: Who developed the SHARE Operating System?
A: The SHARE Operating System was developed by the SHARE organization, a group of IBM users, in 1959.

### Q: How does the SHARE Operating System relate to IBM's IBSYS?
A: The SHARE Operating System was based on the earlier GM-NAA I/O system and preceded IBM's proprietary IBSYS operating system for the IBM 7090/94.

### Q: What hardware did the SHARE Operating System run on?
A: The SHARE Operating System ran on the IBM 709 and IBM 7090 mainframe computers.

### Q: Was the SHARE Operating System proprietary or open-source?
A: The SHARE Operating System was developed by a user group (SHARE) rather than IBM itself, indicating it was a proprietary system created for and by IBM users.

## Why It Matters
The SHARE Operating System played a significant role in the early development of IBM mainframe operating systems. Developed by the SHARE organization, a group of IBM users, it was based on the GM-NAA I/O system and ran on IBM 709 and IBM 7090 computers. This system was part of IBM's early operating system lineage and preceded IBM's proprietary IBSYS operating system. The SHARE Operating System was designed for scientific computing applications, reflecting the needs of IBM users in the 1950s and 1960s. Its development highlighted the collaborative efforts between IBM and its user community in shaping early mainframe technology.

## Notable For
- One of the earliest IBM operating systems developed by users rather than IBM itself
- Based on the GM-NAA I/O system, an early IBM operating system
- Ran on IBM 709 and IBM 7090 mainframe computers
- Designed for scientific computing applications
- Preceded IBM's proprietary IBSYS operating system

## Body
### Overview
The SHARE Operating System was developed in 1959 by the SHARE organization, a group of IBM users, for the IBM 709 and IBM 7090 mainframe computers. It was based on the earlier GM-NAA I/O operating system and was designed for scientific computing applications.

### Development
- Developed by the SHARE organization, a group of IBM users
- Based on the GM-NAA I/O operating system
- Designed for scientific computing applications

### Hardware
- Ran on IBM 709 and IBM 7090 mainframe computers
- Developed in response to the needs of IBM users in the 1950s and 1960s

### Legacy
- Part of IBM's early operating system lineage
- Preceded IBM's proprietary IBSYS operating system
- Highlighted the collaborative efforts between IBM and its user community

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