The crontab command is used to submit and manage user tasks that need to be executed periodically, similar to the scheduled tasks under windows .
Syntax format: crontab [parameter]
Common parameters:
Example
# 显示计划任务crontab -l # 编辑计划任务crontab -e
The format of the scheduled task is
minute hour day month week command
Respectively: time-sharing sun-month-week commands
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