How can I make it so that when the script is interrupted, other settings are performed?

Question

linux

There is a sh script
At startup, the screen resolution changes to the desired one
The script is executed until it is interrupted by ctrl + c
but after interruption, of course, the resolution back is not applied
can someone tell me how to do it after pressing ctrl + c in the configuration script returned to original

Answer 1

after pressing ctrl+c

Read: https://laurvas.ru/bash-trap/
Ctrl+C is SIGINT, process it with a trap.