Update docs/til/systemd.md

Closes LOS-1089

docs/til/systemd.md

@@ -34,6 +34,11 @@ Reload a service
 systemctl reload nginx.service
 ```
 
+Status of a service
+```
+systemctl status nginx.service 
+```
+
 List all of the units that systemd has loaded or attempted to load into memory
 ```
 systemctl list-units --all # --list-unit-files list everything