A. It's easy to type exit in your command prompt window in a server core session, and if you do that then you have no interface. To get it back, press Ctrl+Alt+Del, select Task manager, go to the Tasks tab, click the New Task... button, and enter the task cmd.exe.
- Q. What is the cmd.exe line-continuation character?
- What is the difference between cmd.exe and command.com?
- Preventing the Use of Cmd.exe and Batch Files
- Monitoring Server Core Event Logs
Check out hundreds more useful Q&As like this in John Savill's FAQ for Windows. Also, watch instructional videos made by John at ITTV.net.