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netstat

Unix-like operating system command
In computing, netstat is a command-line network utility that displays network connections for Transmission Control Protocol, routing tables, and a number of network interface and network protocol statistics. Wikipedia
Syntax: netstat address_family_options --tcp|-t --udp|-u --raw|-w --listening|-l --all|-a --numeric|-n --numeric-hosts--numeric-ports--numeric-ports --symbolic|-N --extend|-e--extend|-e --timers|-o --program|-p --verbose|-v --continuous|-c delay
Function: Print network connections, routing tables, interface statistics, masquerade connections, and multicast memberships
Linux equivalent: The ss command
Developer(s): Various open-source and commercial developers
Initial release: 1983; 41 years ago
License: OS/2, Windows: Proprietary commercial software; net-tools, ReactOS: GPLv2; Plan 9: MIT License

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