zshrc.sh

    # Shows who is listening port $1 with process info
    who-listen() {
        exec 3<&1 # new pipe to show output of nestat in stdout
        # Netstat and then ps -p of process that netstat showed to us
        sudo netstat -tulpn | grep :$1 >&3 3>&- | grep -P -o '\d+(?=/)' | sort -u | xargs -r ps -up
        exec 3>&- # close pipe
    }