一次性计划任务atd
systemctl status atd
systemctl enable atd
systemctl start atd
at -f /root/testtouch.sh 10:30 2022-09-06
at -f /root/testtouch.sh now + 1 minutes
at -f /root/testtouch.sh now + 3 days
systemctl status atd
systemctl enable atd
systemctl start atd
at -f /root/testtouch.sh 10:30 2022-09-06
at -f /root/testtouch.sh now + 1 minutes
at -f /root/testtouch.sh now + 3 days