The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
0 11 */5 * *
This cron command translates to the following (in Human-Readable format):
“Every 5 days at 11:00 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 automating system maintenance or administration tasks, such as running backups or sending email reports.
Crontab is a file that contains commands and instructions for the cron daemon to execute. The crontab file is usually located in the /etc/cron directory. Each user on a system can have their own crontab file. The commands in the crontab files are executed by the cron daemon at the specified times.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 5 days at 11:00 am“:
FUN FACT: Cron jobs are often used to perform regular maintenance tasks, such as running backups or sending out reports..
You might want to set up a crontab or cron job to run every 5 days at 11:00 am for several reasons, including:
- Downloading a daily news podcast
- Running a script to check for updates on all installed software
- Syncing local files with a remote server
- Generating a report of system usage statistics
Similar Cron Jobs
You might also want to run a crontab:
- every 2 days
- every 1 day
- every 5 days
- every 9 days
- every 6 days
- every 4 days at 5:00 pm
- every 9 days at 11:30 pm
- every 9 days at 12:00 pm
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)..
In this article, you learned how to set up a cron job that runs every 5 days at 11:00 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.