shutdown command

Hi
I notice if I enter the word shutdown in the Arduino IDE it is a reserved or keyword. How do I use this command please? I can not find any reference to it.

It might be it only works with certain microcontrollers and not the Nano I am using. I am using the latest IDE. Thank you in advance

Chazza

This is where it comes from:

So, unless you happen to own the long since retired Arduino GSM Shield the GSM library was written for, you should probably stop thinking about "shutdown" and get back to having fun with Arduino.

Thank you Pert. I will immediately go back to having fun!
Chazza
:slight_smile:

it is a reserved or keyword

The Arduino colour highlighting in the IDE is a waste of time. Just ignore it