--- a/net.rst	Tue Sep 07 15:20:47 2010 +0300
+++ b/net.rst	Tue Sep 07 15:21:38 2010 +0300
@@ -38,6 +38,10 @@
   cmd> netstat -a -n  # TCP and UDP
   cmd> netstat -s     # show IP, ICMP, TCP, and UDP statistics.
 
+** Linux.
+
+  $ netstat
+
 * Which processes open port?
 
 ** Windows