diff --git a/main.sh b/main.sh
new file mode 100644
index 0000000000000000000000000000000000000000..48fafcf3bd966357e6055ebcfb38d603b0044d64
--- /dev/null
+++ b/main.sh
@@ -0,0 +1,91 @@
+#!usr/bin/bash
+
+# config the environment
+if ! [ -x "$(command -v pip)" ]; then
+sudo apt install python-pip
+sleep 1
+pip install numpy
+pip install PyYAML
+sleep 1
+fi
+
+if ! [ -x "$(command -v gnome-terminal)" ]; then
+  sudo apt-get update
+  sudo apt-get install gnome-terminal
+  sleep 1
+fi
+
+# make sure we run the scripts in /sim folder
+if ! [ ${PWD##*/} = "sim" ];then
+   mkdir ../sim
+   cp -r . ../sim
+   cd ../sim
+fi
+
+# initialize log files
+if [ -f detectResult.log ]; then
+    rm -f detectResult.log
+fi
+
+# add object
+python spawnObjs.py
+sleep 1
+
+# terminal 1: laser server
+gnome-terminal -t "laser server" -x bash -c "cd /home/smr/sim/bash_src/;
+sh laser.sh;exec bash;"
+sleep 1
+
+# terminal 2: run the simulator
+gnome-terminal -t "simulator" -x bash -c "cd /home/smr/sim/bash_src/;
+sh sim.sh;exec bash;"
+sleep 1
+
+# terminal 3: run the client
+gnome-terminal -t "client" -x bash -c "cd /home/smr/sim/bash_src/;
+sh client.sh;exec bash;"
+sleep 1
+
+# terminal 4: run mrc scripts
+gnome-terminal -t "mrc" -x bash -c "cd /home/smr/sim/bash_src/;
+sh mov.sh;exec bash;"
+sleep 1
+
+# terminate
+## show processes
+echo "processes"
+ps -ef | grep "bash" | grep -v grep | awk '{print $2}'
+ps
+while true;do
+echo "Enter 'e' to exit"
+read flag
+if [ ! -n "$flag" ]
+then
+    echo "Invalid input"
+else
+    if [ $flag = 'e' ]
+    then
+	## clean logg files
+        rm -r *.logg
+	## restore config files
+        if [ -f 388project_temp ]; then
+	  rm -f 388project
+          mv 388project_temp 388project
+	fi
+	sleep 1
+        cd mrc_src
+	if [ -f createWalls_temp ];then
+          rm -f createWalls
+          mv createWalls_temp createWalls
+        fi
+	cd ..
+	mv /*.log /logs/.
+        ## kill all terminal processes
+	gnome-terminal -t "close client" -x killall -9 qclient
+        gnome-terminal -t "clear all" -x killall -9 bash  
+        break
+    fi
+fi
+done
+exit 0
+