There are a lot of applications in the world that don't run on a regular processor under regular linux The guy is overgeneralizing IMO. You can delve deep wit

There are a lot of applications in the world that don't run on a regular processor under regular linux The guy is overgeneralizing IMO. You can delve deep within the sub millisecond world even as a regular dude with a regular computer and a regular OS by just doing everything in an interrupt context