Foreground, background and jobs
Starting work with &, suspending it with Ctrl+Z, and moving a job between front and back with jobs, fg and bg — knowing that a suspended job is not a running one.
16 minutesTechnical content last reviewed on 2 Aug 2026
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What this lesson builds
- Reading system state without over-reading it
- Running a service under systemd, from first start to automatic recovery
End of the course
Managing services with systemd
Start, stop and diagnose services on an Ubuntu server, and write a unit for your own application.
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