Cron
Cron is a Linux task scheduler. It runs commands/scripts automatically on a schedule. Common uses:
- Automated database backups (daily at 3am)
- Scheduled email reports (every Monday 9am)
- Temp file cleanup (every 30 minutes)
Format: the five fields mean min hour day month weekday
Generated Cron Expression
* * * * *
Runs every minute
Usage: run on your Linux server crontab -e
