net-tools is a collection of important tools for displaying network-related information, such as netstat to print network information, or the route command to view the IP routing table. The bind-utils we just installed contain programs to browse DNS information, for example, to see whether a certain port is open on a domain, such as port 80 on https://www.google.com; you will get some connection details. Type the Esc key to exit. wget is one of the most essential tools every system administrator needs to know. It can be used to download files from the internet. For example, to download a random programming command from HTTP to stdout, use the following command line: wget -q0- http://whatthecommit.com/index.txt, or type the following directly into a new file: wget -0 /tmp/output.txt http://whatthecommit.com/index.txt.