tldr/pages.zh/linux/at.md

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# at
> 在指定时间执行命令。
> 更多信息: <https://man.archlinux.org/man/at.1>.
- 打开 `at` 提示符创建一组新的定时命令,按 `Ctrl + D` 保存并退出:
`at {{hh:mm}}`
- 运行命令并通过本地电子邮件程序(例如 sendmail发送运行结果
`at {{hh:mm}} -m`
- 在指定时间执行一个脚本:
`at {{hh:mm}} -f {{文件路径}}`
- 在二月十八号下午十一点发送系统通知:
`echo "notify-send '{{Wake up!}}'" | at {{11pm}} {{Feb 18}}`