Services and logs
What a service is
Understand long-running background programs and how systemd represents them as units with dependencies and state.
8 minute lesson
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A service is a program that runs in the background, often starting during boot and waiting for work.
Ubuntu uses systemd to manage services and other units. A unit file describes how to start a program, its dependencies, restart behavior, and installation target.
Do not confuse a running service with an enabled service. Running describes now. Enabled describes whether it should start during boot.
Lesson completed