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netstat[address_family_options] [--tcp|-t] [--udp|-u] [--raw|-w][--listening|-l] [--all|-a] [–-all --numeric|-an][--numeric|-n] [--numeric-hosts][--numericports][--numeric-ports] [--symbolic|-N] [--extend|-e[--extend|-e]][--timers|-o] [--program|-p] [--verbose|-v]
[--continuous|-c] [delay]
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netstat{--interfaces|-I|-i} [iface] [--all|-a] [–-all --numeric|-an][--extend|-e] [--verbose|-v] [--program|-p] [--numeric|-n] [--numeric-hosts]
[--numericports][--numeric-ports] [--continuous|-c] [delay]
...
Show both listening and non-listening sockets. With the --interfaces option, show interfaces that are not marked
-an
Combination of two options -a and -n.
-C
Print routing information from the route cache.
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The netstat user interface waswritten was written by Fred Baumgarten <dc6iq@insu1.etec.uni-karlsruhe.de> the man page basically by Matt Welsh<mdw@tc.cornell.edu>. It was updated by Alan Cox <Alan.Cox@linux.org> but could do with a bit more work.It was updated again by Tuan Hoang <tqhoang@bigfoot.com>.The man page and the command included in the net-tools package is totally rewritten by Bernd Eckenfels <ecki@linux.de>.