The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 0 30 */5 *
This cron command translates to the following (in Human-Readable format):
“Every 5 months on day 30 of the month.”
What is a Cron Job & Crontab?
A cron job is a task that is scheduled to run at a specific time or interval. Cron jobs are typically used for maintenance tasks, such as backing up data or updating software.
Crontab files are stored in the “/etc/cron*” directories on most Linux systems. Each user has their own crontab file, and there is also a system-wide crontab file that can be used to schedule system tasks.
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 30 of the month“:
FUN FACT: Cron jobs are used to schedule commands or scripts to run automatically at a specified time and date..
You might want to set up a crontab or cron job to run every 5 months on day 30 of the month for several reasons, including:
- Checking for updates to a software package
- Deleting temporary files that are no longer needed
- Generating monthly reports
- Sending out reminders for upcoming events
Similar Cron Jobs
You might also want to run a crontab:
- every 4 months
- every 5 months
- every 1 month
- every 3 months
- every 3 months on day 31 of the month
- every 4 months on day 3 of the month
- every 4 months on day 16 of the month
FUN FACT: Cron is one of the most powerful tools available on a Linux system – use it wisely!.
In this article, you learned how to set up a cron job that runs every 5 months on day 30 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.