Yeah it shouldn’t be different. You simply execute in the terminal the well known command

crontab -e

to start editing your crontab file. The crontab (cron table) in breve is the place where you put the scripts you want to automate. Its exactly the same syntax as on Linux.

Than you restart the cron process

The most simple way is to force quit it from the activity monitor, the process’s called cron as you can see on the following image.