diff --git a/b/2/Makefile b/b/2/Makefile
new file mode 100644
index 0000000..9f11cb3
--- /dev/null
+++ b/b/2/Makefile
@@ -0,0 +1,27 @@
+FILES	=mmap munmap clone
+
+INC	=-nostdinc -I./include
+
+.PHONY: all test clean
+all: echo
+	for i in $(FILES); \
+	do \
+		(gcc $(INC) $$i.c -o $$i); \
+	done
+
+${FILES}: echo
+	gcc $(INC) $@.c -o $@
+
+echo: echo.c
+	gcc $(INC) $@.c -o $@
+
+test: echo
+	@for i in $(FILES); \
+	do \
+		(echo "--------------testing " $$i":"); \
+		(./$$i); \
+	done
+
+clean:
+	-(rm ${FILES}; \
+	rm *.o a.out *.log echo test_mmap.txt) > /dev/null 2>&1