cron
System software
The cron command-line utility is a job scheduler on Unix-like operating systems. Users who set up and maintain software environments use cron to schedule jobs, also known as cron jobs, to run periodically at fixed times, dates, or intervals. Wikipedia
Syntax: cron [-f] [-l] [-L loglevel]
Function: Daemon to execute scheduled commands
File location: /var/spool/cron/crontabs
Developer(s): AT&T Bell Laboratories
Initial release: May 1975; 48 years ago
Written in: C
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