Nmap displays results based on the responses it receives from the remote hosts. The more hosts that are scanned, the more complex the results are that are printed on the screen. Analyzing these results when printed in terminal or Command Prompt becomes impossible when the number of hosts increases. In order to solve this problem, Nmap supports various reporting formats which can be used as per the user's requirements. One of the simplest ways to store Nmap's output is to use a >> operator followed by a text file name such as output.txt. This will allow Nmap to forward all the contents to that text file. Even the content of a text file becomes a nightmare to analyze for 10+ hosts. Nmap also gives a lot of verbose ...
Understanding Nmap outputs
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