Using the Solaris Batch-Processing Facility
A way to divide processes on a busy system is to schedule jobs so that they run at different times. A large job, for example, could be scheduled to run at 2 a.m., when the system would normally be idle. Solaris supports two methods of batch processing: the crontab and at commands. The crontab command schedules multiple system events at regular intervals, and the at command schedules a single system event.
cron is a UNIX utility named after Chronos, the ancient Greek god of time. It enables you to execute commands automatically according to a schedule you define. The cron daemon schedules system events according to commands found in each crontab file. A crontab file consists ...