Summary of key differences
| Feature | QNX | Linux |
|---|---|---|
| Kernel Type | Microkernel | Monolithic kernel |
| Resource Management | User-space resource managers | Kernel-space modules |
| IPC | Message passing (fast, deterministic) | Multiple mechanisms (less deterministic) |
| Real-Time | Hard real-time, low latency | Soft real-time (with patches) |
| Fault Tolerance | High (user-space isolation) | Lower (kernel-space risks) |
| Security | Enhanced (microkernel design) | Robust but larger attack surface |
| Use Cases | Mission-critical, embedded, real-time | General-purpose, servers, embedded |
| Ecosystem | Smaller, proprietary | Large, open source |
Page updated: