The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
30 11 */5 * *
This cron command translates to the following (in Human-Readable format):
“Every 5 days at 11:30 am.”
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 system maintenance or administration 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 5 days at 11:30 am“:
FUN FACT: When editing your crontab, it is important to use a text editor that supports Unix-style line endings (LF), as opposed to Windows-style line endings (CRLF)..
You might want to set up a crontab or cron job to run every 5 days at 11:30 am for several reasons, including:
- Run a backup every 5 days at 11:30 am
- Update a website every 5 days at 11:30 am
- Generate a report every 5 days at 11:30 am
Similar Cron Jobs
You might also want to run a crontab:
FUN FACT: Cron is one of the most versatile tools in a Linux administrator’s toolbox..
In this article, you learned how to set up a cron job that runs every 5 days at 11:30 am. 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.