--- /dev/null
+/* mkdir.c
+
+ Creates a directory. */
+
+#include <stdio.h>
+#include <syscall.h>
+
+int
+main (int argc, char *argv[])
+{
+ if (argc != 2)
+ PANIC ("usage: %s DIRECTORY\n", argv[0]);
+
+ if (!mkdir (argv[1]))
+ PANIC ("%s: mkdir failed\n", argv[1]);
+
+ return 0;
+}