Update README.md

Author: devlights

README.md

@@ -1,2 +1,53 @@
 # go-unix-domain-socket-example
 Unix domain socket (UDS) example by golang
+
+## How to Run
+
+### basic
+
+Open two terminals. the one is following:
+
+```sh
+$ cd cmd/basic/server
+$ go run .
+```
+
+and another terminal is following:
+
+```sh
+$ cd cmd/basic/client
+$ go run .
+```
+
+### read & write per connection
+
+Open two terminals. the one is following:
+
+```sh
+$ cd cmd/readwrite/server
+$ go run .
+```
+
+and another terminal is following:
+
+```sh
+$ cd cmd/readwrite/client
+$ go run .
+```
+
+### N read & write on one connection
+
+Open two terminals. the one is following:
+
+```sh
+$ cd cmd/readwrite2/server
+$ go run .
+```
+
+and another terminal is following:
+
+```sh
+$ cd cmd/readwrite2/client
+$ go run .
+```
+