

Parameters used with this command must be prefixed with a hyphen (-) rather than a slash ( /). For more information about the states of a TCP connection, see RFC 793. The possible states are as follows: CLOSE_WAIT, CLOSED, ESTABLISHED, FIN_WAIT_1, FIN_WAIT_2, LAST_ACK, LISTEN, SYN_RECEIVED, SYN_SEND, and TIME_WAIT.

Proto – The name of the protocol ( TCP or UDP).Netstat provides statistics for the following: The replacement for netstat -r is ip route, the replacement for netstat -i is ip -s link, and the replacement for netstat -g is ip maddr, all of which are recommended instead. On Linux, netstat (part of "net-tools") is superseded by ss (part of iproute2).

On Linux this program is mostly obsolete, although still included in many distributions.

It is used for finding problems in the network and to determine the amount of traffic on the network as a performance measurement. It is also available on IBM OS/2 and on Microsoft Windows NT-based operating systems including Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10. It is available on Unix, Plan 9, Inferno, and Unix-like operating systems including macOS, Linux, Solaris and BSD. In computing, netstat ( network statistics) is a command-line network utility that displays network connections for Transmission Control Protocol (both incoming and outgoing), routing tables, and a number of network interface ( network interface controller or software-defined network interface) and network protocol statistics. OS/2, Windows: Proprietary commercial software Unix, Unix-like, Plan 9, Inferno, OS/2, Microsoft Windows, ReactOS Various open-source and commercial developers
