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What is a Cron Job in Linux? How to Use it?

Submitted by Rianne Schestowitz on Tuesday 7th of December 2021 09:34:37 AM Filed under
GNU
Linux

Cron is a command line utility to run small and quick commands on a scheduled basis. This is a handy, classic sysadmin tool for automating various tasks by combining it with othe tools. For example, some people combine rsync and cron to automatically create a daily or weekly backup at a certain time. Some people use it to analyze server logs and combine it with mail function to send an email if there is certain kind of error detected in the logs.

Cron is like the Swiss army knife. It can be used for a variety of use cases. It’s really up to your imagination on what to use it for.

Getting started with cron is super easy, and only takes a matter of seconds to get started. But before I show you that, I’ll discuss something else that often confuses Linux users.

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