How to disable graphical console after kernel boot?

I have a Linux kernel booting up. It come开发者_JAVA百科s up in native screen size graphical framebuffer mode due to use of kernel mode setting. During the kernel boot, the screen shifts from text to graphical console mode and lots of kernel messages get dumped. Once control is handed to the first userland program, I'd like that program to be able to disable the graphical console output. How do I do that?

Add vga=0 to the kernel options to force text mode.