# To schedule a one time task
#安排一次性任务
at {time}
{command 0}
{command 1}
Ctrl-d

# {time} can be either
#{time}也可以
now | midnight | noon | teatime (4pm)
HH:MM
now + N {minutes | hours | days | weeks}
MM/DD/YY

# To list pending jobs
#列出待处理的工作
atq

# To remove a job (use id from atq)
#删除作业（使用来自atq的id）
atrm {id}