# Trusted operating system

> operating system that provides sufficient support for multilevel security and evidence of correctness to meet a particular set of requirements

**Wikidata**: [Q3496028](https://www.wikidata.org/wiki/Q3496028)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Trusted_operating_system)  
**Source**: https://4ort.xyz/entity/trusted-operating-system

## Summary
A trusted operating system is a type of operating system that provides sufficient support for multilevel security and evidence of correctness to meet particular requirements. These specialized systems manage computer hardware resources while implementing enhanced security features designed for environments with high security needs.

## Key Facts
- Trusted operating systems are a subclass of operating systems
- They provide sufficient support for multilevel security and evidence of correctness to meet particular requirements
- The entity has 3 sitelinks across different language Wikipedia sites
- Available in Czech (cs), English (en), and French (fr) language Wikipedias
- Freebase identifier: /m/02xq6d
- Microsoft Academic ID (discontinued): 2780164529
- Wikidata ID: Q15241312 (referenced in Freebase mapping)

## FAQs
### Q: What makes an operating system "trusted"?
A: A trusted operating system provides sufficient support for multilevel security and evidence of correctness to meet particular requirements. This differs from standard operating systems by implementing additional security features specifically designed to protect sensitive information.

### Q: What are trusted operating systems used for?
A: Trusted operating systems are used in environments where security and data integrity are critical. They manage computer hardware resources while providing enhanced security controls for protecting sensitive information in high-security applications.

### Q: How do trusted operating systems compare to standard operating systems?
A: While all operating systems manage computer hardware resources, trusted systems implement additional multilevel security features and provide evidence of correctness to meet specific security requirements. This makes them particularly valuable for environments with heightened security needs.

## Why It Matters
Trusted operating systems are essential in environments where security and data integrity cannot be compromised, such as military applications, financial institutions, and critical infrastructure. They represent a specialized category of operating systems that address the growing need for enhanced security measures beyond what standard systems provide. The implementation of multilevel security features and evidentiary support creates a more secure computing environment capable of protecting sensitive information from unauthorized access. As cybersecurity threats continue to evolve, trusted operating systems play a crucial role in maintaining the confidentiality, integrity, and availability of systems in high-risk environments.

## Notable For
- Implementation of multilevel security features not typically found in standard operating systems
- Requirement for evidence of correctness to meet specific security standards
- Recognition as a distinct subclass within operating system classifications
- Limited documentation across only three Wikipedia language editions
- Specialized design for environments with heightened security requirements

## Body
### Definition
Trusted operating systems are defined as operating systems that provide sufficient support for multilevel security and evidence of correctness to meet particular requirements. This classification distinguishes them from standard operating systems through their enhanced security capabilities.

### Classification
- Parent class: Operating system
- Facet: Operating system
- Subclass: Operating system
- Wikidata description: "operating system that provides sufficient support for multilevel security and evidence of correctness to meet a particular set of requirements"

### Documentation
- Wikipedia articles available in Czech (cs), English (en), and French (fr)
- English Wikipedia title: "Trusted operating system"
- Total sitelinks: 3
- Freebase identifier: /m/02xq6d
- Microsoft Academic ID (discontinued): 2780164529

### Technical Characteristics
- Designed for managing computer hardware resources
- Provides multilevel security support
- Includes evidence of correctness verification
- Meets specific security requirement sets
- Suitable for high-security computing environments

## References

1. Freebase Data Dumps. 2013