My point was that the idea of small, self-contained apps that do one thing, and do it well, was in no way limited to shell programming. Init and getty are smal

My point was that the idea of small, self-contained apps that do one thing, and do it well, was in no way limited to shell programming. Init and getty are small, self-contained system demons that are part of the O/S rather than application servers inviting long-running, single address-space processes for business logic.