diff --git a/etc/rc b/etc/rc
index 145f04100e..69384a626c 100755
--- a/etc/rc
+++ b/etc/rc
@@ -8,6 +8,7 @@
 # All rights reserved.
 
 stty status '^T'
+stty susp '^-' intr '^-' quit '^-'
 
 trap : 2
 trap : 3