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Netcat Last modified: Thursday, September 24, 2009

GNU Netcat, called Netcat for short, is an open source network debugging and exploration utility that can read and write data across network connections, using the TCP/IP protocol. The utility is fully compatible with a number of operating systems including Linux, FreeBSD, NetBSD, SunOS/Solaris, and MacOS X. The GNU Netcat is distributed freely under the GNU General Public License (GPL).

The amazing tool called netcat Telnet is one of the first commands that one learns in one's UNIX journey. The GNU Netcat project It is designed to be a reliable "back-end" tool that can be used directly or easily driven by other programs and scripts.