diff --git a/src/core/exec.c b/src/core/exec.c
index 4926119..d567bf3 100644
--- a/src/core/exec.c
+++ b/src/core/exec.c
@@ -23,6 +23,7 @@ FILE_LICENCE ( GPL2_OR_LATER );
 #include <stdlib.h>
 #include <stdio.h>
 #include <ctype.h>
+#include <curses.h>
 #include <unistd.h>
 #include <getopt.h>
 #include <errno.h>
@@ -460,6 +461,31 @@ struct command exit_command __command = {
 	.exec = exit_exec,
 };
 
+
+/**
+ * "cls" command
+ *
+ * @v argc              Argument count
+ * @v argv              Argument list
+ * @ret rc              Return status code
+ */
+static int cls_exec ( int argc __unused, char **argv __unused ) {
+        stdscr->height = LINES;
+        stdscr->width = COLS;
+        move ( 0, 0 );
+	erase();
+        return 0;
+}
+
+/** "cls" command */
+struct command cls_command __command = {
+        .name = "cls",
+        .exec = cls_exec,
+};
+
+
+
+
 /** "isset" options */
 struct isset_options {};