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列出当前用户的at任务列表，相当于at -l
查看at 任务[zhangy@BlackGhost ~]$ at now + 10 minutes at> echo 1111 at> <eot> job 3 at Fri Apr 26 12:56:00 2013 [zhangy@BlackGhost ~]$ atq 3 Fri Apr 26 12:56:00 2013 a root
查看at 任务
[zhangy@BlackGhost ~]$ at now + 10 minutes at> echo 1111 at> <eot> job 3 at Fri Apr 26 12:56:00 2013 [zhangy@BlackGhost ~]$ atq 3 Fri Apr 26 12:56:00 2013 a root
