diff --git a/.gitignore b/.gitignore
index 54570d1..24128c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ ex7
 ex8
 ex9
 ex10
+ex11
diff --git a/Makefile b/Makefile
index 4c0c244..83959bb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 CFLAGS=-Wall -g
 
-EXERCISES = ex1 ex3 ex4 ex5 ex6 ex7 ex8 ex9 ex10
+EXERCISES = ex1 ex3 ex4 ex5 ex6 ex7 ex8 ex9 ex10 ex11
 
 
 all: $(EXERCISES)
diff --git a/ex11.c b/ex11.c
new file mode 100644
index 0000000..19fb531
--- /dev/null
+++ b/ex11.c
@@ -0,0 +1,24 @@
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    int i = 0;
+    while(i < argc) {
+        printf("arg %d: %s\n", i, argv[i]);
+        i++;
+    }
+
+    char *states[] = {
+        "California", "Oregon",
+        "Washington", "Texas"
+    };
+
+    int num_states = 4;
+    i = 0;
+    while(i < num_states) {
+        printf("state %d: %s\n", i, states[i]);
+        i++;
+    }
+
+    return 0;
+}