f you are worried about whether Netcat is software or a knife, as the headline states, let me clear your doubts — it is an open source tool that has a lot of functionalities, just like the Swiss army knife.
Netcat is an open source UNIX utility written in C. The name Netcat is derived from ‘Net’ (for networking) and ‘cat’ for concatenating data to a file. So, Netcat can be described as a tool for performing network related tasks and storing the output of the operations into a file, if required. This tool has been developed by someone who uses the pseudonym Hobbits. The beauty of the tool is that it can be either used directly from the terminal or be controlled by a user written program. You can use Netcat for creating a simple chat server, to scan the network for open ports, and more. It has the ability to send data packets over the network using the TCP and UDP protocols; however, TCP is used by default. commands to another computer on which Netcat is running. To install Netcat, run the following code: