To start the at service, use the following command as root:

systemctl start atd.service

To stop the service, as root, type the following at a shell prompt:

systemctl stop atd.service

It is recommended that you start the service at boot time. To do so, run the following command as root:

systemctl enable atd.service

See Chapter 6, Services and Daemons for more information on how to configure services in Fedora.