Sample crontab entry, which runs a certain script at 02:30 every Friday

Schedule cron jobs to run on a time interval for the current user.
More information: <https://crontab.guru/>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

30 2 * * Fri {{/absolute/path/to/script.sh}}

click the source code to copy install crontab on any operating system with command-not-found.com