The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 6 */3 *
This cron command translates to the following (in Human-Readable format):
“Every 3 months on day 6 of the month.”
What is a Cron Job & Crontab?
A cron job is a Linux utility used for scheduling the execution of commands or scripts at a specified time and date. Cron is typically used for system maintenance or administration, such as running backups or log rotation.
A crontab is a file that contains a list of commands that are to be executed at specified times. The commands in the crontab are executed by the cron daemon.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 3 months on day 6 of the month“:
FUN FACT: Cron jobs can be used to automate just about any task that needs to be performed regularly – so get creative and see what you can come up with!.
You might want to set up a crontab or cron job to run every 3 months on day 6 of the month for several reasons, including:
- Checking for updates to a software package
- Deleting old log files
- Generating monthly reports
- Rotating backups
Similar Cron Jobs
You might also want to run a crontab:
- every 5 months
- every 2 months
- every 4 months
- every 1 month
- every 6 months
- every 4 months on day 20 of the month
- every 2 months on day 5 of the month
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 3 months on day 6 of the month. 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 crontab cheat sheet for a list of hundreds of popular cron jobs.