We have already configured the client PC to be able to boot from network. After booting a Linux login screen is shown. There are already some users like teacher, teststud1 etc. From LServerAdmin application we can create new users later.
ALT-CTRL-F6. Windows login screen is shown. We press Alt-Ctrl-Delete. We click on Change user and then Other user. ALT-CTRL-DEL and select LogoutALT-CTRL-F7. From Options on bottom left we can select Session (graphical environment), e.g. Lubuntu or LXDE. CTRL-ALT-DEL. Initial Linux login screen is displayed. From Options on the bottom left, we select Shutdown or Restart. This will shutdown or restart local PC.