Nmap in Action Here we will run a series of port scans on a target web server, making note of the versions and operating systems. Remember, reconnaissance and patience is key to hacking.

While there are many monitoring tools available to network administrators for port scanning and network mapping, Nmap is the de facto standard. Here's why.

How to find out which version of Windows, MacOS, or ChromeOS you're running Whether you're on a Windows PC or a MacBook, it's easy to keep tabs on your operating system.