The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 15 */5 *
This cron command translates to the following (in Human-Readable format):
“Every 5 months on day 15 of the month.”
What is a Cron Job & Crontab?
A cron job is a scheduled task that is typically executed by the operating system. Cron jobs are often used to automate repetitive tasks, such as backing up files or checking for updates.
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, which runs in the background.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 5 months on day 15 of the month“:
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 5 months on day 15 of the month for several reasons, including:
- Check for updates to a software application
- Run a daily backup of user data
- Generate reports on website traffic
- Send out notifications to users
- Trigger an event in another system
Similar Cron Jobs
You might also want to run a crontab:
- every 6 months
- every 2 months
- every 5 months
- every 4 months
- every 3 months
- every 1 month
- every 4 months on day 26 of the month
- every 2 months on day 9 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!.
In this article, you learned how to set up a cron job that runs every 5 months on day 15 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 cron job cheat sheet for a list of hundreds of popular cron jobs.