Network-Mapper (nmap), is the most famous port scanning tool used by penetration testers. Nmap is also showed in movies or series like The Matrix and Mr. Robot . In this article, we will look at the various features of Nmap along with a few useful commands.

Nmap is the short form for Network Mapper. It is an open-source Linux command-line tool that is used to scan IP addresses and ports in a network and to detect installed applications. Nmap allows network admins to find out the devices running on their network, discover open ports and services, and detect vulnerabilities.
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