crontab

Schedule cron jobs to run on a time interval for the current user.

Job definition format: "(min) (hour) (day_of_month) (month) (day_of_week) command_to_execute".

• Edit the crontab file for the current user:

crontab -e

• Edit the crontab file for a specific user:

sudo crontab -e -u {user}

• Replace the current crontab with the contents of the given file:

crontab {path/to/file}

• View a list of existing cron jobs for current user:

crontab -l

• Remove all cron jobs for the current user:

crontab -r

• Sample job which runs at 10:00 every day (* means any value):

0 10 * * * {command_to_execute}

• Sample job which runs every minute on the 3rd of April:

* * 3 Apr * {command_to_execute}

• Sample job which runs a certain script at 02:30 every Friday:

30 2 * * Fri {/absolute/path/to/script.sh}

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