The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 12 */5 * *
This cron command translates to the following (in Human-Readable format):
“Every 5 days at 12:30 pm.”
What is a Cron Job & Crontab?
A cron job is a time-based task that is typically set up to run automatically at regular intervals. For example, a cron job might be used to send out a daily email report or to back up files every night.
A crontab is a file that contains instructions for the cron daemon. The cron daemon is a program that runs in the background and executes tasks at specified times. A crontab file typically contains a list of commands, with each command being executed at a specified time.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 5 days at 12:30 pm“:
FUN FACT: Cron is one of the most versatile tools in a Linux administrator’s toolbox..
You might want to set up a crontab or cron job to run every 5 days at 12:30 pm for several reasons, including:
- Automatically generate a report every 5 days
- Backup files every 5 days
- Run a system maintenance script every 5 days
Similar Cron Jobs
You might also want to run a crontab:
- every 9 days
- every 7 days
- every 2 days
- every 3 days
- every 4 days
- every 8 days
- every 9 days at 11:00 pm
- every 8 days at 6:00 am
- every 4 days at 12:00 pm
FUN FACT: Cron jobs are often used to perform regular maintenance tasks, such as running backups or sending out reports..
In this article, you learned how to set up a cron job that runs every 5 days at 12:30 pm. 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.