The crontab of Linux commands

The crontab of Linux commands

@ (LINUX_DAY_DAY_UP) [Linux]

• The crontab of Linux commands

The crontab is used to set the instructions that are executed periodically.
We can use it in Linux crontab -e to edit the crontab configuration file to set the task.
The format is:

Minute (0-59) hour (0-23) Day (1-31) month (1-12) week (0-6,0 stands for sunday ) command

Example

1* * * *Command#每个小时的第一个分钟执行命令command0, -, +* * * *Command#每个小时的第0, 20, 40 minutes Execute command0 1* * *Command#每天第1个小时整执行命令command2 3*/7* *Command#每隔七天的凌晨3点2分执行命令command*5* * * *Command#每小时的5, 15,25,35,45,55 minutes to execute command0 1-3* * *Command#每天的凌晨1, 2, 3 o'clock execute command all at once.

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The crontab of Linux commands