The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
*/9 * * * *
This cron command translates to the following (in Human-Readable format):
“Every 9 minutes.”
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.
Crontab files are typically stored in the /etc/crontab file, but they can also be stored in individual user’s home directories. To edit your own crontab file, you can use the command “crontab -e”. This will open up the file in your default text editor.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 9 minutes“:
FUN FACT: Cron jobs are stored in a file called “crontab”, which is short for “cron table”..
You might want to set up a crontab or cron job to run every 9 minutes for several reasons, including:
- To run a process that checks for new data every 9 minutes
- To send out a reminder email to users every 9 minutes
- To generate a report based on data collected every 9 minutes
Similar Cron Jobs
You might also want to run a crontab:
- every 15 minutes
- every 29 minutes
- every 3 minutes
- every 28 minutes
- every minute between 2:00 am and 10:00 pm
- every minute between 6:00 am and 7:00 am
FUN FACT: When configuring a cron job, you can specify the minute, hour, day of the month, month and day of the week when it should run – this gives you a lot of flexibility in terms of when your task will be performed automatically!.
In this article, you learned how to set up a cron job that runs every 9 minutes. 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.