diff --git a/build-run b/build-run
index 842d0e8..4663d0c 100755
--- a/build-run
+++ b/build-run
@@ -6,6 +6,7 @@ function helpexit() {
     echo "  --vnc            Start VNC viewer"
     echo "  --geometry WxY   VNC Default screen size"
     echo "  --new-passwd     Generate new random VNC password file"
+    echo "  --persistent     Do not remove container at exit"
     echo "  --help   This help"
     exit
 }
@@ -16,13 +17,14 @@ function rsagen() {
   rm -f .id_rsa .id_rsa.pub
   ssh-keygen -t rsa -b 1024 -N "" -f .id_rsa
 }
-
+RMIMAGE="--rm"
 for (( i=1; i<=$#; i++ )); do
   j=$(( $i + 1 ))
   [[ "${!i}" = "--help" ]] && helpexit                                            
   [[ "${!i}" = "-h" ]] && helpexit                                            
   [[ "${!i}" = "--vnc" ]] && { VNC=1; continue; }
   [[ "${!i}" = "--new-passwd" ]] && { pwgen; continue; }
+  [[ "${!i}" = "--persistent" ]] && { RMIMAGE=""; continue; }
   [[ "${!i}" = "--geometry" ]] && { 
       VNCSIZE="-geometry ${!j}"; 
       [[ "$VNCSIZE" = *x* ]] || {
@@ -57,7 +59,7 @@ echo $image
 docker build -t $image . 
 nname=$image$$
 
-docker run --rm -v /mnt:/mnt -v /media:/media -v $HOME/:/host_home  \
+docker run $RMIMAGE -v /mnt:/mnt -v /media:/media -v $HOME/:/host_home  \
     --privileged \
     -h $nname --name $nname $image \
     bash /bootstuff.sh $USER &