标签：
安装方法:
apt-get install at
使用方法:
at 11:13warning: commands will be executed using /bin/shat> <EOT> # 按Ctrl+Djob 1 at Fri Aug 5 11:13:00 2016
at 11:13
warning: commands will be executed using /bin/sh
at> <EOT> # 按Ctrl+D
job 1 at Fri Aug 5 11:13:00 2016
at -r 1 # 任务1
atq # 大概表示query吧
没有什么修改命令..
ubuntu 定时执行任务at
原文地址：http://www.cnblogs.com/scue/p/5759653.html
