When the Vivado Design Suite is running in an interactive Tcl command shell in Tcl mode, you can use the following command at the Tcl prompt to launch the Vivado IDE and open the Vivado tool GUI:
start_gui
When the Vivado Design Suite is running in an interactive Tcl command shell in Tcl mode, you can use the following command at the Tcl prompt to launch the Vivado IDE and open the Vivado tool GUI:
start_gui