Cron is a way to automate tasks through scheduled scripts. There are fantastic resources for crontab such as [Cronitor](https://crontab.guru/) .  Cron works for MacOS (via Crontab) by default as well as Linux. 

More information on [Cron usage. ](https://www.hostinger.com/tutorials/cron-job)
```
*/30 * * * * /Users/shwethajayaraj/.local/bin >/dev/null 2>&1

```