Cron for Beginners: Schedule Linux Tasks
Get started with cron on Linux and macOS. Set up your first crontab, understand the file format, and schedule recurring tasks safely.
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Tags: developer-tools, cron, beginners
Cron for Beginners: Schedule Tasks on Linux Without Confusion Cron is a time-based job scheduler built into every Linux and macOS system. You write a schedule in a text file called a crontab, and cron executes the specified commands at the scheduled times — automatically, repeatedly, without any manual intervention. This guide goes from zero to a working scheduled job, explains every common mistake, and gives you the mental model you need to debug when something doesn't run. --- What Cron Actually Is Cron is a daemon — a background process that starts at boot and runs continuously. It wakes up once per minute, reads all crontab files, and runs any commands whose scheduled time matches the current time. There are two types of crontabs: User crontabs — managed with . Each user has their…
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