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+# ndnpeek and ndnpoke
+
+**ndnpeek** and **ndnpoke** are a pair of programs to request and make available for retrieval of a single Data packet.
+
+* **ndnpeek** is a consumer program that sends one Interest and expects one Data.
+* **ndnpoke** is a producer program that serves one Data in response to an Interest.
+
+Usage example:
+
+1. start NFD on local machine
+2. execute `echo 'HELLO WORLD' | ndnpoke ndn:/localhost/demo/hello`
+3. on another console, execute `ndnpeek -p ndn:/localhost/demo/hello`
+
+For more information, consult manpages of these programs.