mac cmd check port used code example
Example: check all the ports in use mac
$ npx kill-port 3000 8080 8081
Process on port 3000 killed
Process on port 8080 killed
Process on port 8081 killed
$ npx kill-port 3000 8080 8081
Process on port 3000 killed
Process on port 8080 killed
Process on port 8081 killed