The Cron Job/Crontab
To have your task run at this frequency, use the following cron:
* 0-16 * * *
This cron command translates to the following (in Human-Readable format):
“Every minute between 12:00 am and 4:00 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 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 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 12:00 am and 4:00 pm“:
FUN FACT: The most common way to edit cron jobs is using the crontab command – this stands for “cron table,” and it contains all the information about when your tasks should be executed..
You might want to set up a crontab or cron job to run every minute between 12:00 am and 4:00 pm for several reasons, including:
- Checking if a server is up
- Running a backup
- Generating reports
- Sending out notifications
- Clearing caches
Similar Cron Jobs
You might also want to run a crontab:
- every 14 minutes
- every 21 minutes
- every 26 minutes
- every 4 minutes
- every 29 minutes
- every minute between 12:00 pm and 3:00 pm
- every minute between 2:00 am and 6:00 pm
- every minute between 5:00 am and 9:00 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 12:00 am and 4:00 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.