Key words:
Command line cannot be fullscreen
Command line maximization only half of the screen
command line font background color
Solution: http://unmi.cc/save-windows-command-size/
Brief description:
Win+r, enter CMD to bring up the command Line window, and then in the upper right-click Properties, set your preferred scheme, in the registry to find Hkey_current_user\console is the default command-line scheme, hkey_current_user\console\% Systemroot%_system32_cmd.exe is the property of the current command line, which copies the values of these properties to the default scheme, which is used every time the command line is started.
The width of the command line maximization is determined by the property-layout-screen buffer size-width, in units of characters.
Describes some values:
Screenbuffsize is the buffer size
WindowSize is the window display size
Screencolors is a font, background and other color settings
How to set Windows default command-line window size and buffer size