Cron Job Every 3 Days At 10:00 am (Crontab)

This page will help you quickly and easily set up a cron job to run every 3 days at 10:00 am.

The Cron Job/Crontab

To have your task run at this frequency, use the following cron:

0 10 */3 * *

This cron command translates to the following (in Human-Readable format):

“Every 3 days at 10:00 am.”

What is a Cron Job & Crontab?

A cron job is a Linux utility used for scheduling the execution of commands or scripts at a specified time and date. Cron is typically used for system maintenance or administration, such as running backups or log rotation.

A crontab is a table or list of commands that are scheduled to run at specified times. The commands in a crontab file (also called a “cron table”) are normally executed by the cron daemon, which runs in the background and executes these commands automatically.

Cron Fields

Every cron job uses five fields. Here is an explanation of what each field does in this cron, which runs “every 3 days at 10:00 am“:

  • Field 1: (0) indicates that the task will be run at minute 0.
  • Field 2: (10) indicates that the task will be run at hour 10 (10 am).
  • Field 3: (*/3) indicates that the task will be run every 3 days.
  • Field 4: (*) indicates that the task will be run every month.
  • Field 5: (*) indicates that the task will be run every day of the week.
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    FUN FACT: Cron jobs can be used to automate just about any task that needs to be performed regularly – so get creative and see what you can come up with!.

    Use Cases

    You might want to set up a crontab or cron job to run every 3 days at 10:00 am for several reasons, including:

    • Checking for updates to a software package
    • Running a backup script
    • Sending out a daily report

    Similar Cron Jobs

    You might also want to run a crontab:

    FUN FACT: If you need to delete a cron job, simply remove the corresponding line from the crontab file and save your changes..

    Wrapping Up

    In this article, you learned how to set up a cron job that runs every 3 days at 10:00 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.

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