Add simple Unix socket example by Piet van Oostrum.
diff --git a/Demo/sockets/README b/Demo/sockets/README
index e844ac6..21ed808 100644
--- a/Demo/sockets/README
+++ b/Demo/sockets/README
@@ -5,10 +5,12 @@
finger.py Client for the 'finger' protocol.
ftp.py A very simple ftp client.
gopher.py A simple gopher client.
+radio.py Receive time broadcasts from broadcast.py.
telnet.py Client for the 'telnet' protocol.
throughput.py Client and server to measure TCP throughput.
+unixclient.py Unix socket example, client side
+unixserver.py Unix socket example, server side
udpecho.py Client and server for the UDP echo protocol.
-radio.py Receive time broadcasts from broadcast.py.
The following file is only relevant on SGI machines (or other systems
that support multicast):