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Solid State
Level 4 · Expert · 7 min

Daemon

A background process that keeps the agent always-on. Survives logout, restarts itself.

A daemon is the agent that never sleeps. It runs in the background, outlives your terminal session, and comes back after a crash. This is what turns a script you launch into a service that's just there. Message it at 3am and it answers. A command runs once. A daemon runs until you stop it.