./network-tools 
Usage:
  network-tools sub-command [flags]
  network-tools [command]

Available Commands:
  completion   Generate the autocompletion script for the specified shell
  help         Help about any command
  port-scanner Scans specified ports of ip

Flags:
  -h, --help   help for network-tools

Use "network-tools [command] --help" for more information about a command.