no command are working after i did this. i can still use the desktop and yes i fell silly

Acer Aspire ES1-533 Debian os

thanks for help :)

https://www.devopsroles.com/fix-grub-install-command-not-found-in-linux/

export PATH=/usr/sbin/grub-install/grub-install :/usr/local/sbin

source ~/.bashrc