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Linux in a Nutshell, 6th Edition by Robert Love, Stephen Figgins, Ellen Siever, Arnold Robbins

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Name

crond

Synopsis

crond [options]

System administration command. Normally started in a system startup file. Execute commands at scheduled times, as specified in users’ files in /var/spool/cron. Each file shares its name with the user who owns it. The files are controlled via the command crontab. The crond command will also read commands from the /etc/crontab file and from the /etc/cron.d/ directory. See anacron for scheduling events on systems that are frequently rebooted or powered off, such as notebook computers.

Options

-m command

User command to send mail instead of sendmail.

-n

Run the command in the foreground.

-p

Remove security restrictions on crontab file permissions.

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