A slot car (sometimes, slotcar) is a powered miniature auto or other vehicle that is guided by a groove or slot in the track on which it runs.
MoveOn is a community of more than 8 million Americans from all walks of life who use the connective power of the Internet to lead, participate in, and win campaigns for progressive change.
And these jobs or tasks are referred to as Cron Jobs. There is a cron daemon that runs on these systems. A daemon is a program that runs in the background all the time, usually initiated by the system. This cron daemon is responsible for launching these cron jobs on schedule.