What is cron?
Cron the name of a program that enables unix users to execute commands or scripts (groups of commands) automatically at a specified time/date. It is normally used for sys admin commands, like makewhatis, which builds a search database for the man -k command, or for running a backup script, but can also be used for just about anything.
A common use for it today is for your email program to connect to the internet and ...
By alexander, October 11, 2015