When the ./stack.sh is run, it uses screen application to create multiple sessions. Once the DevStack is up and running, you can reconnect to screen and gain control by running
To view the list of tabs, CTRL+a and then press ".
Select any tab by pressing the arrow key and hit Enter. To stop the process by pressing CTRL+c and press UP arrow key to view the command. Press enter to start the process again.
To close the screen, press CTRL+A+D.
You can also use screen command instead of rejoin-stack.sh
Next Tab CTRL+a+n
Previous Tab CTRL+a+b
Close screen CTRL+a+d
List tabs CTRL+a+"