The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 */7 * *
This cron command translates to the following (in Human-Readable format):
“Every 7 days at 12:00 am.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specified time or interval. Cron jobs are typically used to perform system maintenance or administration tasks, such as backing up data or generating reports.
Each user has their own crontab file, and the commands in this file are only executed by that particular user. The file contains instructions for the cron daemon. To edit your crontab file, you can use the crontab command.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 7 days at 12:00 am“:
FUN FACT: Cron jobs are named after the Greek god of time, Chronos – so now you know where the name comes from!.
You might want to set up a crontab or cron job to run every 7 days at 12:00 am for several reasons, including:
- Sending weekly newsletters
- Deleting temporary files that are more than 7 days old
- Rotating log files
Similar Cron Jobs
You might also want to run a crontab:
FUN FACT: You can use cron to schedule just about anything!.
In this article, you learned how to set up a cron job that runs every 7 days at 12:00 am. Please share this page with friends and colleagues if you find it useful.
If you have any questions, please don’t hesitate to comment below.
If you are looking for cron jobs that run at certain minutes, hours, days, weekdays, or months, or if you are looking for miscellaneous cron jobs, then check out our relevant sections, or visit our cron job cheat sheet for a list of hundreds of popular cron jobs.