/etc/default/cron

This file contains the following parameters for the cron(1M) command.

CRONLOG

Enables (YES) or disables (NO) cron logging. If CRONLOG is set to YES, the cron log file is /var/cron/log.

BACKUP

Names a file to which the contents of the cron log file will be copied when it reaches SIZE. BACKUP defaults to /var/cron/olog if not defined here.

LINES

Number of lines to keep in the cron log file after a copy has been made. LINES defaults to 100 if not defined here.

SIZE

Maximum size of the cron log file before it gets copied. SIZE defaults to 50,000 bytes if not defined here.