How to disable e-mail notifications from cron jobs

This article demonstrates how to stop receiving e-mail notifications from cron jobs.

By default, cron notifies the user account via email whenever a job is executed. To turn off email notifications, add >/dev/null 2>&1 to the cron job command. By doing this, the cron job’s output is all directed to the /dev/null device. For instance, the cron task listed below does not deliver email notifications:

15 * * * Sun     ${HOME}/bigtask.sh > /dev/null 2>&1

To resume receiving e-mail notifications from cron jobs, simply remove >/dev/null 2>&1 from the command.

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