--- a/ROOT/root/.bashrc	Wed Jun 20 09:47:49 2012 +0200
+++ b/ROOT/root/.bashrc	Wed Nov 28 21:42:55 2012 +0100
@@ -1,6 +1,15 @@
-function ro() { mount -o remount,ro /; }
+function ro() { 
+    mount -o remount,ro / 
+    blockdev --setrw /dev/sda1
+    PS1="$_OLD_PS1"
+}
+
 function rw() {
+	blockdev --setrw /dev/sda1
         mount -o remount,rw /
+	_OLD_PS1="$PS1"
+	PS1="[RW] $PS1"
+
         test "$#" = 0 && return;
         "$@"
         rc=$?