diff --git a/vm-intro/Makefile b/vm-intro/Makefile
new file mode 100644
index 0000000..d2fc962
--- /dev/null
+++ b/vm-intro/Makefile
@@ -0,0 +1,9 @@
+
+all: va
+
+clean:
+	rm -f va
+
+va: va.c
+	gcc -o va va.c -Wall
+
diff --git a/vm-intro/README.md b/vm-intro/README.md
new file mode 100644
index 0000000..1fa4387
--- /dev/null
+++ b/vm-intro/README.md
@@ -0,0 +1,17 @@
+# Overview
+
+Code from OSTEP chapter [The Abstraction: Address Spaces](http://pages.cs.wisc.edu/~remzi/OSTEP/vm-intro.pdf).
+
+To compile, just type:
+```
+prompt> make
+```
+
+See the highly primitive `Makefile` for details.
+
+Then, run it:
+
+```
+prompt> ./virtual-addresses
+```
+
diff --git a/vm-intro/va.c b/vm-intro/va.c
new file mode 100644
index 0000000..f1547da
--- /dev/null
+++ b/vm-intro/va.c
@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char *argv[]) {
+    printf("location of code  : %p\n", main);
+    printf("location of heap  : %p\n", malloc(1));
+    int x = 3;
+    printf("location of stack : %p\n", &x);
+    return 0;
+}
+