diff --git a/helloi.rb b/helloi.rb
new file mode 100755
index 0000000..90ab15b
--- /dev/null
+++ b/helloi.rb
@@ -0,0 +1,22 @@
+#!/usr/bin/env ruby
+require 'cgi'
+
+c = CGI.new
+name = c["onamae"]
+
+print "Content-type: text/html\n\n"	# お約束
+
+print(<<EOF)
+<!DOCTYPE html>
+<head lang="ja">
+<title>Hello!!!</title>
+
+<form method="POST" action="hello.rb">
+ <p>あなたの名前: <input type="text" name="onamae"></p>
+ <p><input type="submit" value="送信">
+ <input type="reset" value="reset"></p>
+</form>
+<h2>こんにちは#{name}さん!!</h2>
+</body>
+
+EOF
diff --git a/web.rb b/web.rb
new file mode 100755
index 0000000..1c75e9b
--- /dev/null
+++ b/web.rb
@@ -0,0 +1,29 @@
+#!/usr/bin/env ruby
+# $B@_CVJ}K!(B:
+#	1. $B?75,$K%G%#%l%/%H%j$r:n$k(B: $BNc(B:
+#		cd Ruby
+#		mkdir cgi
+#		cd cgi
+#	2. $B:n@.$7$?%G%#%l%/%H%j(B($BNc$G$O(B ~/Ruby/cgi)$B$K(B web.rb hello.rb $B$rJ]B8$9$k(B
+#	3. $B<B9TB0@-$r$D$1$k(B
+#		chmod +x web.rb hello.rb
+#	4. $B5/F0$9$k(B:
+#		./web.rb
+#	5. $B%V%i%&%6$G$D$J$0(B:
+#		http://localhost:3000/hello.rb
+require 'webrick'
+include WEBrick
+
+module WEBrick::HTTPServlet
+  FileHandler.add_handler('rb', CGIHandler)
+  FileHandler.add_handler('sh', CGIHandler)
+  FileHandler.add_handler('cgi', CGIHandler)
+end
+
+s = HTTPServer.new(
+  :Port => (ENV["PORT"]||3000),
+  :DocumentRoot => ENV["DOCROOT"]||".",
+  :DirectoryIndex => ["hello.rb"]
+)
+trap("INT") { s.shutdown }
+s.start
