The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 9-22 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 9:00 am and 10:00 pm.”
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 allows tasks to be automatically run in the background at regular intervals. These tasks are often called “cron jobs.”
A crontab is a text file containing a list of commands that are executed at specified times. The commands in the crontab are executed by the cron daemon, which runs in the background and checks for new entries every minute.
Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every minute between 9:00 am and 10:00 pm“:
FUN FACT: Cron is typically used for things like system maintenance tasks, running backups etc..
You might want to set up a crontab or cron job to run every minute between 9:00 am and 10:00 pm for several reasons, including:
- Checking if a website is up
- Sending out reminders
- Updating a blog
Similar Cron Jobs
You might also want to run a crontab:
- every minute
- every 27 minutes
- every 7 minutes
- every 26 minutes
- every 11 minutes
- every minute between 9:00 pm and 11:00 pm
- every minute between 2:00 am and 5:00 pm
- every minute between 6:00 am and 11:00 am
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 minute between 9:00 am and 10:00 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 cron job cheat sheet for a list of hundreds of popular cron jobs.