It’s possible to connect to serial console with MacOS without using a specific app but only screen.
First, you need to find the correct device you will use to connect to the serial console. Depending on your installation and your adapter, you’ll can find it under different names with one these commands:
ls:/dev*/usb*:No such file ordirectory
Here, we can see that our device is available on /dev/tty.usbserial
If you have any doubt with the screen command, you can check the documentation, with the specific part regarding the console connection:
Ifatty(character special device)name(e.g."/dev/ttya")isspecified asthe first parameter,thenthe window isdirectly connected tothisdevice.Thiswindow type issimilar to"screen cu -l /dev/ttya".Read andwrite access isrequired on the device node,an exclusive open isattempted on the node tomark the connection line asbusy.An optional parameter isallowed consisting ofacomma separated list of flags inthe notation used by stty(1):