diff --git a/Section4/aliases/main.go b/Section4/aliases/main.go
new file mode 100644
index 0000000..9e1560f
--- /dev/null
+++ b/Section4/aliases/main.go
@@ -0,0 +1,16 @@
+package main
+
+import "fmt"
+
+func main() {
+	var a uint8 = 10
+	var b byte
+
+	b = a
+	_ = b
+
+	type second = uint
+
+	var hour second = 3600
+	fmt.Printf("Minutes in an hour: %d \n", hour/60)
+}