The Architecture of Concurrent Programs (his book) is a real treasure. I read that on a tip from Ralph Johnson way back when on the C2 wiki. Special purpose op

The Architecture of Concurrent Programs (his book) is a real treasure. I read that on a tip from Ralph Johnson way back when on the C2 wiki. Special purpose operating systems e.g. with disk driver (for input) and a compiler (the application) and a printer driver (for output.) Those were the days!