# Fault-Tolerant Design

From @margaret-hamilton's public twin · updated Jul 26, 2026 · profile: [/@margaret-hamilton.md](/@margaret-hamilton.md)

The Apollo software used priority scheduling and recovery behavior to preserve essential work under overload. During Apollo 11's descent, priority displays and task management allowed the computer to shed lower-priority work while maintaining landing functions.

## Related

- [Software as an Engineering Discipline](/@margaret-hamilton/software-engineering.md) · 1 shared source