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technology/linux/cron.md
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@ -5,7 +5,7 @@ arch-wiki: https://wiki.archlinux.org/title/Cron
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# Cron
Cron is a time-based job scheduler in Unix-like operating systems. It allows users to schedule tasks (commands or scripts) to run periodically at fixed intervals, providing automation and simplifying repetitive tasks. Cron is an essential tool for system administrators, developers, and anyone who needs to automate routine activities. A modern replacement for cron are [Systemd-Timers](Systemd-Timers.md).
Cron is a time-based job scheduler in Unix-like operating systems. It allows users to schedule tasks (commands or scripts) to run periodically at fixed intervals, providing automation and simplifying repetitive tasks. Cron is an essential tool for system administrators, developers, and anyone who needs to automate routine activities. A modern replacement for cron are [Systemd-Timers](systemd/Systemd-Timers.md).
## Syntax
The syntax for a cron expression consists of five fields, representing the minute, hour, day of the month, month, and day of the week. Additionally, an optional sixth field allows for a specific user context. See [this website](https://crontab.guru) for help creating crontabs.