--- linux-2.2.18/drivers/char/console.c	Sun Dec 10 19:49:41 2000
+++ linux/drivers/char/console.c	Fri Feb 23 06:54:40 2001
@@ -66,6 +66,9 @@
  *
  * Resurrected character buffers in videoram plus lots of other trickery
  * by Martin Mares <mj@atrey.karlin.mff.cuni.cz>, July 1998
+ * 
+ * Added ioctl sub-code to forcibly blank screen.
+ * by David Corbin <dcorbin@ieee.org>, February 2001
  */
 
 #include <linux/module.h>
@@ -2139,6 +2142,9 @@
 			return 0;
 		case 12:	/* get fg_console */
 			return fg_console;
+		case 13:
+			blank_screen();
+			return 0;
 	}
 	return -EINVAL;
 }