diff --git a/toolbox/chmod.c b/toolbox/chmod.c
new file mode 100644
index 0000000..31a53bf
--- /dev/null
+++ b/toolbox/chmod.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <errno.h>
+
+#include <unistd.h>
+#include <time.h>
+
+int chmod_main(int argc, char **argv)
+{
+    int i;
+
+    if (argc < 3) {
+        fprintf(stderr, "Usage: chmod <MODE> <FILE>\n");
+        return 10;
+    }
+
+    int mode = 0;
+    const char* s = argv[1];
+    while (*s) {
+        if (*s >= '0' && *s <= '7') {
+            mode = (mode<<3) | (*s-'0');
+        }
+        else {
+            fprintf(stderr, "Bad mode\n");
+            return 10;
+        }
+        s++;
+    }
+    for (i = 2; i < argc; i++) {
+        if (chmod(argv[i], mode) < 0) {
+            fprintf(stderr, "Unable to chmod %s: %s\n", argv[i], strerror(errno));
+            return 10;
+        }
+    }
+    return 0;
+}
+