diff --git a/deployBigMemCmdLine.sh b/RunCmdLine.sh
similarity index 79%
rename from deployBigMemCmdLine.sh
rename to RunCmdLine.sh
index 5afa55234e16ee9417da6d800b0a920d44863de8..ce90d95d9f670639a6e68169eb00edb937e9b4dd 100644
--- a/deployBigMemCmdLine.sh
+++ b/RunCmdLine.sh
@@ -1,17 +1,22 @@
 #!/bin/bash
-#This script will help a deployment of a docker image on an MBB bigmem machine
-
-
+#This script will help to run a workflow in a docker image. 
 
+if [ $# -lt 4 ]
+then
+  echo usage : $0 dataDir resultsDir configFile nbCores '[dockerHub|local]'
+  exit
+fi
 # Docker volumes
 # MBB Workflows reads data from /Data and write results to /Results
 
-
 Data=$1
 Results=$2
 
+if [ ! -d "$Data" ]; then
+  echo "can't find $Data directory !"
+  exit;
+fi
 
-mkdir -p $Data
 mkdir -p $Results
 
 DOCK_VOL+=" --mount type=bind,src=$Data,dst=/Data"
diff --git a/deployBigMemInterface.sh b/deployBigMemInterface.sh
index f416066d665b9913c4c81bf344ec2297f5fb7608..11b6bf4e49dbf231f22cac025280d509f057e1f9 100644
--- a/deployBigMemInterface.sh
+++ b/deployBigMemInterface.sh
@@ -1,7 +1,11 @@
 #!/bin/bash
 #This script will help a deployment of a docker image on an MBB bigmem machine
 
-
+if [ $# -lt 2 ]
+then
+  echo usage : $0 dataDir resultsDir '[dockerHub|local]'
+  exit
+fi
 #nginx 
 ##### nginx install #####
 #sudo apt-get install -y nginx
@@ -81,12 +85,13 @@ CONTAINER_ID=$( docker run --rm -d -p $APP_PORT:3838 $DOCK_VOL $APP_IMG )
 if [ $CONTAINER_ID ]
 then
     echo " "
-    echo You have to put your Data on  : $2
+    echo You have to put your Data on  : $1
     echo " "
-    echo Results will be written to    : $3
+    echo Results will be written to    : $2
     echo " "
     hostname -I | awk -v port=$APP_PORT '{print "You can access the workflow interface at :  http://"$1":"port}'
     echo " "
+    echo To start a Bash session inside the container : docker exec -it $CONTAINER_ID /bin/bash
 else
     echo Failed to run the docker container  !!
 fi