Scheduled cron
时间: 2023-08-23 17:16:00 浏览: 52
Cron is a time-based job scheduling system in Unix-like operating systems. It allows you to schedule and automate the execution of tasks or scripts at specific intervals or times. To schedule a cron job, you can use the crontab command.
Here's an example of how to schedule a cron job:
1. Open your terminal or command prompt.
2. Type "crontab -e" and press Enter. This will open the crontab file in the default text editor.
3. In the crontab file, you can define your cron job using the cron syntax. The syntax consists of five fields: minute, hour, day of month, month, and day of week.
For example, if you want to schedule a job to run every day at8:00 AM, you would add the following line to the crontab file:
```
08 * * * /path/to/your/script.sh ```
In this example, "0" represents the minute (0-59), "8" represents the hour (0-23), and the asterisks "*" represent all possible values for day of month, month, and day of week.
4. Save the crontab file and exit the text editor.
Your cron job will now be scheduled and executed according to the specified time interval. You can use the crontab command to manage and view your scheduled jobs.
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