What is the command to return to the graphical desktop after entering the terminal mode with Ctrl+Alt+F1? I need it for operating my Raspbian.
On some systems it is Alt+F8 or Alt+F9, on others it is Alt+F7. The Ctrl is not needed to come back from the
As @mantawork points out in the comments, a generic way is Alt+Left Arrow while in terminal 1. In general Alt+Left Arrow or Alt+Right Arrow will cycle through the ttys. If you repeat that you will eventually be taken back to the one that has your X session.