TYPESCRIPT

how to check open ports mac

lsof -i -P | grep -i "listen"

how to check if port is open mac

lsof -i :PORT_NUMBER

running ports in mac

sudo lsof -PiTCP -sTCP:LISTEN

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

ways to identify ports in use on Mac

sudo lsof -i -n -P | grep TCP