# Administration {#ch-running}

This chapter describes various aspects of managing a running NixOS system, such as how to use the {command}`systemd` service manager.

```{=include=} chapters
service-mgmt.chapter.md
rebooting.chapter.md
user-sessions.chapter.md
control-groups.chapter.md
logging.chapter.md
system-state.chapter.md
cleaning-store.chapter.md
containers.chapter.md
troubleshooting.chapter.md
```