The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 25 */3 *
This cron command translates to the following (in Human-Readable format):
“Every 3 months on day 25 of the month.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed by the operating system on a regular basis. Cron jobs are often used to perform maintenance or administrative tasks, such as backing up data or updating software.
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 3 months on day 25 of the month“:
FUN FACT: Cron jobs are automated processes that run on a schedule..
You might want to set up a crontab or cron job to run every 3 months on day 25 of the month for several reasons, including:
- Run a script to generate monthly reports
- Perform maintenance tasks on the 25th of every 3rd month
- Send out email notifications on the 25th of every 3rd month
Similar Cron Jobs
You might also want to run a crontab:
- every 1 month
- every 3 months
- every 6 months
- every 5 months
- every 2 months
- every 4 months
- every 1 month on day 14 of the month
- every 1 month on day 6 of the month
FUN FACT: If you want to see what commands are scheduled in your crontab, type: “crontab -l”.
In this article, you learned how to set up a cron job that runs every 3 months on day 25 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.