<Tr> <Th> License </Th> <Td> Original version: custom, permissive license GNU Version: GPL OpenBSD Version: BSD </Td> </Tr> <Tr> <Th> Website </Th> <Td> nc110.sourceforge.net </Td> </Tr> <P> Netcat (often abbreviated to nc) is a computer networking utility for reading from and writing to network connections using TCP or UDP . Netcat is designed to be a dependable back - end that can be used directly or easily driven by other programs and scripts . At the same time, it is a feature - rich network debugging and investigation tool, since it can produce almost any kind of connection its user could need and has a number of built - in capabilities . </P> <P> Its list of features includes port scanning, transferring files, and port listening, and it can be used as a backdoor . </P>

What is the use of nc command in linux