Real-Time Operating System
A system that must process information and produce a response within a specified time, else risk severe consequences, including failure. That is, in a system with a real-time constraint it is no good to have the correct action or the correct answer after a certain deadline: it is either by the deadline or it is useless! It does not have to be fast, but predictive.


RealTime Application Interface (aka RTAI) - for GNU/Linux - lets you write applications with strict timing constraints for your favourite operating system. Like Linux itself this software is a community effort. A patch to the Linux kernel which introduces a hardware abstraction layer. Read more