Can somebody show me how to make a program to do this action: after 5 minutes
echo "80" > /sys/class/leds/blue/brightness
I want this program run in the background (like
I can't do this because I don't know so much about Linux.
That way your script continues, or you restore control immediately, while a new background task of the script starts, with two commands: sleep, and echo.
The common error is trying to give either
that will run in the background
If you want something to run in 5 minutes, but the rest of your program to continue (or finish), you need to background the sleep as well:
This will print
The important part is the