Current File : //lib/systemd/system/atd.service
[Unit]
Description=Job spooling tools
After=syslog.target systemd-user-sessions.service

[Service]
EnvironmentFile=/etc/sysconfig/atd
ExecStart=/usr/sbin/atd -f $OPTS
IgnoreSIGPIPE=no

[Install]
WantedBy=multi-user.target