The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 1-6 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 1:00 am and 6:00 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 is a Linux utility that enables users to schedule tasks to be executed automatically at a specified time or interval. A cron job is typically used to automate system maintenance or administration tasks, such as running backups or sending emails.
A crontab is a file that contains commands to be run at specified times. The crontab file is typically edited using the crontab command, which can be used to list, edit, or delete the contents of the file.
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 6:00 am“:
FUN FACT: If you want to see what commands are scheduled in your crontab, type: “crontab -l”.
You might want to set up a crontab or cron job to run every minute between 1:00 am and 6:00 am for several reasons, including:
- A user has specified they want a backup of their data every morning at 1 am
- A cron job is set up to run a script that clears the cache every morning at 2 am
- A cron job is set up to send out a report every morning at 3 am
- A cron job is set up to update the system’s timezone information every morning at 4 am
- A cron job is set up to check for updates to installed software every morning at 5 am
Similar Cron Jobs
You might also want to run a crontab:
- every 23 minutes
- every 19 minutes
- every 9 minutes
- every 27 minutes
- every 13 minutes
- every minute between 12:00 pm and 10:00 pm
- every minute between 1:00 pm and 2:00 pm
- every minute between 1:00 am and 12:00 pm
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 6:00 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.