Infrastructure

The Unix shell is not the best tool for every job. But it is the most portable standard we have. When an LLM is asked to reason, it writes bash. When a container starts, it runs a shell script. When a CI pipeline executes, it runs shell commands. When a server boots, init runs a shell. The shell is not elegant—it is ubiquitous. And ubiquity, in systems engineering, is a kind of elegance. …

By the first century CE, Rome supplied its citizens with water through eleven aqueducts. The Cloaca Maxima, the great sewer, still stands—the oldest working infrastructure in the world. Frontinus, appointed superintendent of aqueducts in 97 CE, left behind a technical manual on water management that reads like a modern utility document. The Romans understood that filth and disease traveled together. They built public latrines with running water. They regulated waste disposal. They organized the collection of garbage in the streets. …