Re: Speeding up screen output for dialog

Alan Cox (
Sun, 8 Sep 1996 12:45:14 +0100 (BST)

> >You will now probably tell me "NO ! NO ! The binaries would have to be suid
> >root to map the mem !" and you are right for now.
> >But there is something lurking out there to overcome this problem.
> Can't we do this with /dev/vcsa right now? Or does it not mmap?

No you can't. Nor do you want too. The kernel handles multiple VC's,
numerous video cards, does stuff like using the hardware scroll and your
remote user may have a linux console or their own driver.