Enable template-hints with command in Magento 2
php bin/magento dev:template-hints:enable
php bin/magento dev:template-hints:disable
Remove Cache
chmod -R 777 var/ pub/ generated/
php bin/magento cache:clean
php bin/magento cache:flush
rm -rf var/generation/ var/view_preprocessed/ pub/static/frontend/ pub/static/_requirejs/ var/cache var/di var/page_cache pub/static/_cache
