Crond

From Sysadmin

Crond is the standard process scheduling application in Unix.

Users will normally schedule tasks on the hour, half hour or quarter hour. this results in a large number of scheduled tasks all executing at once, cause spikes in system demand. As sysadmins we need to have a better understanding of system demands than that. When arranging system tasks, or even tasks for our own personal a/c we should set scheduled tasks to execute at other times. The specific minute or hour of execution can be selected randomly and then set in crontab. Selection of the other fields does not need to be done randomly as there is little benefit.

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