The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 1-5 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 1:00 am and 5:00 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 commonly used to automate system maintenance or administration tasks, such as running backups or sending emails.
A crontab is a file containing commands and instructions for the cron daemon to execute. The crontab is used to schedule jobs (commands or shell scripts) to run periodically at certain times or dates.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 1:00 am and 5:00 am“:
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 minute between 1:00 am and 5:00 am for several reasons, including:
- To run a backup script
- To check for system updates
- To generate reports
- To clean up temporary files
Similar Cron Jobs
You might also want to run a crontab:
- every 19 minutes
- every 8 minutes
- every 18 minutes
- every 29 minutes
- every minute
- every minute between 1:00 am and 3:00 am
- every minute between 10:00 am and 7:00 pm
- every minute between 12:00 am and 4:00 am
FUN FACT: If you need to delete a cron job, simply remove the corresponding line from the crontab file and save your changes..
In this article, you learned how to set up a cron job that runs every minute between 1:00 am and 5:00 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 cron job cheat sheet for a list of hundreds of popular cron jobs.