diff --git a/src/chroot.c b/src/chroot.c
index 5fd4a02..9d25aae 100644
--- a/src/chroot.c
+++ b/src/chroot.c
@@ -6,8 +6,8 @@
 
 int main(const int argc, const char **argv) {
 	if (argc <= 2) {
-		fprintf(stderr, "chroot [dir] [\"command arg\"]\n");
-		return 1;
+		printf("chroot [dir] [\"command arg\"]\n");
+		return 0;
 	}
 
 	if (chroot(argv[1]) == -1) {
diff --git a/src/mv.c b/src/mv.c
new file mode 100644
index 0000000..c376a2e
--- /dev/null
+++ b/src/mv.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+int main(const int argc, char **argv) {
+	if (argc <= 2) {
+		printf("mv: missing operand\n");
+		return 1;
+	}
+
+	for (int i = 1; i < argc; i++) {
+		if (rename(argv[i], argv[argc]) < 0) {
+			fprintf(stderr, "mv: %s\n", strerror(errno));
+			return 1;
+		}
+	}
+
+	return 0;
+}